{"id":2915,"date":"2023-07-11T10:59:31","date_gmt":"2023-07-11T01:59:31","guid":{"rendered":"https:\/\/jfs.or.jp\/jfs-cs\/?p=2915"},"modified":"2023-07-11T10:59:31","modified_gmt":"2023-07-11T01:59:31","slug":"electric-wave-001","status":"publish","type":"post","link":"https:\/\/jfs.or.jp\/jfs-cs\/electric-wave-001\/","title":{"rendered":"\u96fb\u78c1\u6c17\u3000\u305d\u3082\u305d\u3082\u6ce2\u3063\u3066\u4f55\uff1f\u3000\u5186\u904b\u52d5\u3068\u89d2\u5ea6\u30fb\u89d2\u901f\u5ea6\u30fb\u4f4d\u76f8"},"content":{"rendered":"<p>\u96fb\u78c1\u6c17\u3067\u4ea4\u6d41\u3092\u8003\u3048\u308b\u3068\u304d\u3001\u57fa\u672c\u30e2\u30c7\u30eb\u306f\u5186\u904b\u52d5\u306e\u7406\u89e3\u3068\u89e3\u91c8\u3068\u6570\u5f0f\u8868\u73fe\u3068\u56f3\u89e3\u3067\u3059\u3002<br \/>\n\u306a\u306e\u3067\u3001\u30cd\u30c3\u30c8\u3067\u5186\u904b\u52d5\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3059\u308b\u30b5\u30a4\u30c8\u3092\u63a2\u3057\u3066\u307f\u305f\u3089\u3001<br \/>\n\u91d1\u6ca2\u5de5\u696d\u5927\u5b66\u306e\u30b5\u30a4\u30c8\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h1><a href=\"https:\/\/w3e.kanazawa-it.ac.jp\/math\/physics\/category\/mechanics\/masspoint_mechanics\/uniform_circular_motion\/henkan-tex.cgi?target=\/math\/physics\/category\/mechanics\/masspoint_mechanics\/uniform_circular_motion\/uniform_circular_motion.html\">\u7b49\u901f\u5186\u904b\u52d5\u00a0<span class=\"eng\">(uniform circular motion)<\/span><\/a><\/h1>\n<p>\u305d\u306e\u4e00\u90e8\u3092\u3054\u7d39\u4ecb\u3057\u3001\u89e3\u8aac\u3092\u8ffd\u52a0\u3055\u305b\u3066\u3082\u3089\u3044\u307e\u3059\u3002\uff08\u4e0a\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30ea\u30f3\u30af\u5148\u3078\uff09\u3002<\/p>\n<p>\u7269\u4f53\u304c\u5186\u5468\u4e0a\u3092\u4e00\u5b9a\u306e\u901f\u3055\u3067\u904b\u52d5\u3057\u3066\u3044\u308b\u3068\u304d\uff0c\u305d\u306e\u904b\u52d5\u3092\u00a0<span class=\"bold-red\">\u7b49\u901f\u5186\u904b\u52d5<\/span>\u00a0<span class=\"eng\">(uniform circular motion)<\/span>\u00a0\u3068\u3044\u3046\uff0e<\/p>\n<p><img decoding=\"async\" class=\"alignleft\" src=\"https:\/\/w3e.kanazawa-it.ac.jp\/math\/physics\/category\/mechanics\/masspoint_mechanics\/uniform_circular_motion\/image\/ucm.png\" \/><\/p>\n<p>\u56f3\u306e\u3088\u3046\u306b\uff0c\u70b9 O \u3092\u4e2d\u5fc3\u3068\u3059\u308b\u534a\u5f84\u00a0<span id=\"MathJax-Element-1-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi&gt;r&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-1\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-2\" class=\"mjx-mrow\"><span id=\"MJXc-Node-3\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-4\" class=\"mjx-mrow\"><span id=\"MJXc-Node-5\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">r<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u306e\u5186\u5468\u4e0a\u3092\u4e00\u5b9a\u306e\u901f\u3055\u00a0<span id=\"MathJax-Element-2-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi&gt;v&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-6\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-7\" class=\"mjx-mrow\"><span id=\"MJXc-Node-8\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-9\" class=\"mjx-mrow\"><span id=\"MJXc-Node-10\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">v<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u3067\u904b\u52d5\u3059\u308b\u8cea\u70b9\u306e\u4f4d\u7f6e\u3092\u70b9 P \u3068\u3059\u308b\uff0e\u5186\u904b\u52d5\u306e\u56de\u8ee2\u9762\u3092\u00a0<span id=\"MathJax-Element-3-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi&gt;x&lt;\/mi&gt;&lt;mi&gt;y&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-11\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-12\" class=\"mjx-mrow\"><span id=\"MJXc-Node-13\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-14\" class=\"mjx-mrow\"><span id=\"MJXc-Node-15\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">x<\/span><\/span><span id=\"MJXc-Node-16\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">y<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u5e73\u9762\u306b\u3068\u308a\uff0c<a href=\"https:\/\/w3e.kanazawa-it.ac.jp\/math\/physics\/category\/others\/coordinates\/henkan-tex.cgi?target=\/math\/physics\/category\/others\/coordinates\/circular_coordinates.html\">\u5e73\u9762\u306e\u6975\u5ea7\u6a19\uff08\u5186\u5ea7\u6a19\uff09\u00a0<span id=\"MathJax-Element-4-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi&gt;r&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-17\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-18\" class=\"mjx-mrow\"><span id=\"MJXc-Node-19\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-20\" class=\"mjx-mrow\"><span id=\"MJXc-Node-21\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">r<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\uff0c<span id=\"MathJax-Element-5-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-22\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-23\" class=\"mjx-mrow\"><span id=\"MJXc-Node-24\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-25\" class=\"mjx-mrow\"><span id=\"MJXc-Node-26\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u3092\u7528\u3044\u308b\u3068\u70b9 P \u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb\u306f<\/a><\/p>\n<p><span id=\"MathJax-Element-6-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-table; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi mathvariant=&quot;bold-italic&quot;&gt;r&lt;\/mi&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mi&gt;x&lt;\/mi&gt;&lt;mtext&gt;&amp;#x2009;&lt;\/mtext&gt;&lt;mo&gt;,&lt;\/mo&gt;&lt;mtext&gt;&amp;#x2009;&lt;\/mtext&gt;&lt;mi&gt;y&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mi&gt;r&lt;\/mi&gt;&lt;mi&gt;cos&lt;\/mi&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mtext&gt;&amp;#x2009;&lt;\/mtext&gt;&lt;mo&gt;,&lt;\/mo&gt;&lt;mtext&gt;&amp;#x2009;&lt;\/mtext&gt;&lt;mi&gt;r&lt;\/mi&gt;&lt;mi&gt;sin&lt;\/mi&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;\/mrow&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-27\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-28\" class=\"mjx-mrow\"><span id=\"MJXc-Node-29\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-30\" class=\"mjx-mrow\"><span id=\"MJXc-Node-31\" class=\"mjx-mrow\"><span id=\"MJXc-Node-32\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-BI\">r<\/span><\/span><span id=\"MJXc-Node-33\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">=<\/span><\/span><span id=\"MJXc-Node-34\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-35\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">x<\/span><\/span><span id=\"MJXc-Node-36\" class=\"mjx-mtext\"><\/span><span id=\"MJXc-Node-37\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">,<\/span><\/span><span id=\"MJXc-Node-38\" class=\"mjx-mtext MJXc-space1\"><\/span><span id=\"MJXc-Node-39\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">y<\/span><\/span><span id=\"MJXc-Node-40\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><span id=\"MJXc-Node-41\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">=<\/span><\/span><span id=\"MJXc-Node-42\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-43\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">r<\/span><\/span><span id=\"MJXc-Node-44\" class=\"mjx-mi MJXc-space1\"><span class=\"mjx-char MJXc-TeX-main-R\">cos<\/span><\/span><span id=\"MJXc-Node-45\" class=\"mjx-mi MJXc-space1\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><span id=\"MJXc-Node-46\" class=\"mjx-mtext\"><\/span><span id=\"MJXc-Node-47\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">,<\/span><\/span><span id=\"MJXc-Node-48\" class=\"mjx-mtext MJXc-space1\"><\/span><span id=\"MJXc-Node-49\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">r<\/span><\/span><span id=\"MJXc-Node-50\" class=\"mjx-mi MJXc-space1\"><span class=\"mjx-char MJXc-TeX-main-R\">sin<\/span><\/span><span id=\"MJXc-Node-51\" class=\"mjx-mi MJXc-space1\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><span id=\"MJXc-Node-52\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0 &#8211; &#8211; &#8211; (1)<\/p>\n<p>\u3068\u8868\u305b\u308b\uff0e\u00a0<span id=\"MathJax-Element-7-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-53\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-54\" class=\"mjx-mrow\"><span id=\"MJXc-Node-55\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-56\" class=\"mjx-mrow\"><span id=\"MJXc-Node-57\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u306f\u00a0<span id=\"MathJax-Element-8-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mo&gt;+&lt;\/mo&gt;&lt;mi&gt;x&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-58\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-59\" class=\"mjx-mrow\"><span id=\"MJXc-Node-60\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-61\" class=\"mjx-mrow\"><span id=\"MJXc-Node-62\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">+<\/span><\/span><span id=\"MJXc-Node-63\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">x<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u8ef8\u3092\u57fa\u6e96\u306e\u65b9\u5411\u3068\u3057\u3066\u6e2c\u3063\u305f\u30d9\u30af\u30c8\u30eb\u00a0<span id=\"MathJax-Element-9-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi mathvariant=&quot;bold-italic&quot;&gt;r&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-64\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-65\" class=\"mjx-mrow\"><span id=\"MJXc-Node-66\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-67\" class=\"mjx-mrow\"><span id=\"MJXc-Node-68\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-BI\">r<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u306e\u89d2\u5ea6\u3067\u3042\u308a\uff0c\u70b9 P \u304c\u5186\u5468\u4e0a\u3092\u56de\u8ee2\u3057\u3066\u3044\u308b\u306e\u3067\u6642\u9593\u3068\u3068\u3082\u306b\u5909\u5316\u3059\u308b\u56de\u8ee2\u89d2\u3092\u8868\u3059\uff0e<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u8cea\u70b9\u306f\u4e00\u5b9a\u306e\u901f\u3055\u3067\u56de\u8ee2\u3057\u3066\u3044\u308b\u3053\u3068\u304b\u3089\uff0c\u56de\u8ee2\u89d2\u00a0<span id=\"MathJax-Element-10-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-69\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-70\" class=\"mjx-mrow\"><span id=\"MJXc-Node-71\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-72\" class=\"mjx-mrow\"><span id=\"MJXc-Node-73\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><span id=\"MJXc-Node-74\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-75\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-76\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u306e\u6642\u9593\u5909\u5316\u7387\uff08\u5358\u4f4d\u6642\u9593\u5f53\u305f\u308a\u306e\u56de\u8ee2\u89d2\uff09\u3092\u8868\u3059<a href=\"https:\/\/w3e.kanazawa-it.ac.jp\/math\/physics\/category\/mechanics\/motion\/rotational_motion\/henkan-tex.cgi?target=\/math\/physics\/category\/mechanics\/motion\/rotational_motion\/angular_velocity.html\">\u89d2\u901f\u5ea6<\/a><span class=\"eng\">\u00a0(angular velocity)<\/span>\u00a0<span id=\"MathJax-Element-11-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mi&gt;&amp;#x3C9;&lt;\/mi&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-77\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-78\" class=\"mjx-mrow\"><span id=\"MJXc-Node-79\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-80\" class=\"mjx-mrow\"><span id=\"MJXc-Node-81\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03c9<\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0 \u306f<\/p>\n<p>\u03c9\uff1dd<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\/dt=const \uff08\u4e00\u5b9a\uff09\u30fc\u30fc\u30fc(2)<\/p>\n<p>\u3067\u3042\u308a\uff0c\u6642\u523b\u00a0<span id=\"MathJax-Element-14-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/mrow&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-108\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-109\" class=\"mjx-mrow\"><span id=\"MJXc-Node-110\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-111\" class=\"mjx-mrow\"><span id=\"MJXc-Node-112\" class=\"mjx-mrow\"><span id=\"MJXc-Node-113\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-114\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">=<\/span><\/span><span id=\"MJXc-Node-115\" class=\"mjx-mn MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">0<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u3067\u56de\u8ee2\u89d2\u00a0<span id=\"MathJax-Element-15-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mrow&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-116\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-117\" class=\"mjx-mrow\"><span id=\"MJXc-Node-118\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-119\" class=\"mjx-mrow\"><span id=\"MJXc-Node-120\" class=\"mjx-mrow\"><span id=\"MJXc-Node-121\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><span id=\"MJXc-Node-122\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-123\" class=\"mjx-mn\"><span class=\"mjx-char MJXc-TeX-main-R\">0<\/span><\/span><span id=\"MJXc-Node-124\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><span id=\"MJXc-Node-125\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">=<\/span><\/span><span id=\"MJXc-Node-126\" class=\"mjx-msub MJXc-space3\"><span class=\"mjx-base\"><span id=\"MJXc-Node-127\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><span class=\"mjx-sub\"><span id=\"MJXc-Node-128\" class=\"mjx-mn\"><span class=\"mjx-char MJXc-TeX-main-R\">o<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0 \u3068\u3059\u308b\u3068\uff0c\u5f0f(2)\u3092\u6642\u9593\u3067\u7a4d\u5206\u3059\u308b\u3053\u3068\u306b\u3088\u308a<\/p>\n<p><span id=\"MathJax-Element-16-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mi&gt;&amp;#x3C9;&lt;\/mi&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo&gt;+&lt;\/mo&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mrow&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-129\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-130\" class=\"mjx-mrow\"><span id=\"MJXc-Node-131\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-132\" class=\"mjx-mrow\"><span id=\"MJXc-Node-133\" class=\"mjx-mrow\"><span id=\"MJXc-Node-134\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u3000\u03b8<\/span><\/span><span id=\"MJXc-Node-135\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-136\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-137\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><span id=\"MJXc-Node-138\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">=<\/span><\/span><span id=\"MJXc-Node-139\" class=\"mjx-mi MJXc-space3\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03c9<\/span><\/span><span id=\"MJXc-Node-140\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-141\" class=\"mjx-mo MJXc-space2\"><span class=\"mjx-char MJXc-TeX-main-R\">+<\/span><\/span><span id=\"MJXc-Node-142\" class=\"mjx-msub MJXc-space2\"><span class=\"mjx-base\"><span id=\"MJXc-Node-143\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><span class=\"mjx-sub\"><span id=\"MJXc-Node-144\" class=\"mjx-mn\"><span class=\"mjx-char MJXc-TeX-main-R\">o\u3000\u3000\u3000<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>&#8211; &#8211; &#8211; (3)<\/p>\n<p>\u3092\u5f97\u308b\uff0e\u3057\u305f\u304c\u3063\u3066\uff0c\u5f0f(1)\u306e\u5404\u6210\u5206\u306f<\/p>\n<p><span id=\"MathJax-Element-17-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi&gt;x&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mi&gt;r&lt;\/mi&gt;&lt;mi&gt;cos&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mi&gt;&amp;#x3C9;&lt;\/mi&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo&gt;+&lt;\/mo&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;\/mrow&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-145\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-146\" class=\"mjx-mrow\"><span id=\"MJXc-Node-147\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-148\" class=\"mjx-mrow\"><span id=\"MJXc-Node-149\" class=\"mjx-mrow\"><span id=\"MJXc-Node-150\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u3000x<\/span><\/span><span id=\"MJXc-Node-151\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-152\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-153\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><span id=\"MJXc-Node-154\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">=<\/span><\/span><span id=\"MJXc-Node-155\" class=\"mjx-mi MJXc-space3\"><span class=\"mjx-char MJXc-TeX-math-I\">r<\/span><\/span><span id=\"MJXc-Node-156\" class=\"mjx-mi MJXc-space1\"><span class=\"mjx-char MJXc-TeX-main-R\">cos<\/span><\/span><span id=\"MJXc-Node-157\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-158\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03c9<\/span><\/span><span id=\"MJXc-Node-159\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-160\" class=\"mjx-mo MJXc-space2\"><span class=\"mjx-char MJXc-TeX-main-R\">+<\/span><\/span><span id=\"MJXc-Node-161\" class=\"mjx-msub MJXc-space2\"><span class=\"mjx-base\"><span id=\"MJXc-Node-162\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8o<\/span><\/span><\/span><\/span><span id=\"MJXc-Node-164\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff0c\u00a0\u00a0<\/p>\n<p>\u00a0\u3000<span id=\"MathJax-Element-18-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi&gt;y&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mi&gt;r&lt;\/mi&gt;&lt;mi&gt;sin&lt;\/mi&gt;&lt;mo stretchy=&quot;false&quot;&gt;(&lt;\/mo&gt;&lt;mi&gt;&amp;#x3C9;&lt;\/mi&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo&gt;+&lt;\/mo&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;mo stretchy=&quot;false&quot;&gt;)&lt;\/mo&gt;&lt;\/mrow&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-165\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-166\" class=\"mjx-mrow\"><span id=\"MJXc-Node-167\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-168\" class=\"mjx-mrow\"><span id=\"MJXc-Node-169\" class=\"mjx-mrow\"><span id=\"MJXc-Node-170\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">y<\/span><\/span><span id=\"MJXc-Node-171\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-172\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-173\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><span id=\"MJXc-Node-174\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">=<\/span><\/span><span id=\"MJXc-Node-175\" class=\"mjx-mi MJXc-space3\"><span class=\"mjx-char MJXc-TeX-math-I\">r<\/span><\/span><span id=\"MJXc-Node-176\" class=\"mjx-mi MJXc-space1\"><span class=\"mjx-char MJXc-TeX-main-R\">sin<\/span><\/span><span id=\"MJXc-Node-177\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">(<\/span><\/span><span id=\"MJXc-Node-178\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03c9<\/span><\/span><span id=\"MJXc-Node-179\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-180\" class=\"mjx-mo MJXc-space2\"><span class=\"mjx-char MJXc-TeX-main-R\">+<\/span><\/span><span id=\"MJXc-Node-181\" class=\"mjx-msub MJXc-space2\"><span class=\"mjx-base\"><span id=\"MJXc-Node-182\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><span class=\"mjx-sub\"><span id=\"MJXc-Node-183\" class=\"mjx-mn\"><span class=\"mjx-char MJXc-TeX-main-R\">o<\/span><\/span><\/span><\/span><span id=\"MJXc-Node-184\" class=\"mjx-mo\"><span class=\"mjx-char MJXc-TeX-main-R\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0 \u00a0 \u00a0&#8211; &#8211; &#8211; (4)<\/p>\n<p>\u3068\u8868\u3055\u308c\u308b\uff0e\u4e09\u89d2\u95a2\u6570\u306e\u89d2\u5ea6\u90e8\u5206\u00a0<span id=\"MathJax-Element-19-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi&gt;&amp;#x3C9;&lt;\/mi&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo&gt;+&lt;\/mo&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mrow&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-185\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-186\" class=\"mjx-mrow\"><span id=\"MJXc-Node-187\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-188\" class=\"mjx-mrow\"><span id=\"MJXc-Node-189\" class=\"mjx-mrow\"><span id=\"MJXc-Node-190\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03c9<\/span><\/span><span id=\"MJXc-Node-191\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-192\" class=\"mjx-mo MJXc-space2\"><span class=\"mjx-char MJXc-TeX-main-R\">+<\/span><\/span><span id=\"MJXc-Node-193\" class=\"mjx-msub MJXc-space2\"><span class=\"mjx-base\"><span id=\"MJXc-Node-194\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><span class=\"mjx-sub\"><span id=\"MJXc-Node-195\" class=\"mjx-mn\"><span class=\"mjx-char MJXc-TeX-main-R\">o<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0\u3092\u00a0<span class=\"bold-red\">\u4f4d\u76f8<\/span>\u00a0<span class=\"eng\">(phase)<\/span>\u00a0\u3068\u3044\u3044\uff0c\u6642\u523b\u00a0<span id=\"MathJax-Element-20-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;mrow&gt;&lt;mi&gt;t&lt;\/mi&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/mrow&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-196\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-197\" class=\"mjx-mrow\"><span id=\"MJXc-Node-198\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-199\" class=\"mjx-mrow\"><span id=\"MJXc-Node-200\" class=\"mjx-mrow\"><span id=\"MJXc-Node-201\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">t<\/span><\/span><span id=\"MJXc-Node-202\" class=\"mjx-mo MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">=<\/span><\/span><span id=\"MJXc-Node-203\" class=\"mjx-mn MJXc-space3\"><span class=\"mjx-char MJXc-TeX-main-R\">0<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u3067\u306e\u4f4d\u76f8\u00a0<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><span class=\"mjx-sub\"><span id=\"MJXc-Node-210\" class=\"mjx-mn\"><span class=\"mjx-char MJXc-TeX-main-R\">o<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u00a0 \u3092\u00a0<span class=\"bold-red\">\u521d\u671f\u4f4d\u76f8<\/span>\u00a0<span class=\"eng\">(initial phase)<\/span>\u00a0\u3068\u3044\u3046<\/p>\n<p>\uff1c\u5f15\u7528\u7d42\u308f\u308a\uff1e<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0a\u8a18\u306e\u8aac\u660e\u306b\u306f\u3001\u5186\u904b\u52d5\u3092\u8868\u3059\u65b9\u6cd5\u306b\u306f\u3001\uff30\uff08r\u3001<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff09\u3068\u3044\u3046\u6975\u5ea7\u6a19\u3067\u8868\u73fe\u3059\u308b\u65b9\u6cd5\u304c\u7d39\u4ecb\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\uff52\u306f\u534a\u5f84\u3001<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u306f\u56de\u8ee2\u89d2\u3067\u3001\u6975\u5ea7\u6a19\u306e\u5834\u5408\u306f\u89d2\u5ea6\u3092\u534a\u5f84\uff11\u306e\u5358\u4f4d\u5186\u306e\u5186\u5468\u306e\u9577\u3055\u3067\u8868\u3057\u307e\u3059\u3002<br \/>\n\u56de\u8ee2\u89d2\u306f\u3001\u4e00\u56de\u8ee2\u3059\u308b\u3068\u5186\u5468\u306e\u9577\u3055\uff12\u03c0\uff08\u30d1\u30a4\uff09\u3001\u534a\u5468\u304c\u03c0\u3001\uff14\u5206\u306e\uff11\u5468\uff08\uff1d\uff19\uff10\u5ea6\u3001\u76f4\u89d2\uff09\u3060\u30681\/2\u03c0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3000x=cos(<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff09\uff59\uff1dsin(<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff09\u3000<br \/>\n\u304c\u6700\u3082\u7c21\u5358\u306a\u5186\u904b\u52d5\u306e\u4f4d\u7f6e\u3092\uff58\u3001\uff59\u5ea7\u6a19\u3067\u8868\u73fe\u3057\u305f\u3082\u306e\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5186\u904b\u52d5\u3067\u306f\u6642\u9593\u304c\u305f\u3064\u3068\u56de\u8ee2\u89d2\u304c\u9032\u3080\u3002\uff11\u79d2\u3067\uff11\u56de\u8ee2\u3059\u308b\u5834\u5408\u306f\u3001\uff11\u56de\u8ee2\u306e\u56de\u8ee2\u89d2\uff08\u5186\u5468\u306e\u9577\u3055\uff09\uff1d\uff12\u03c0\uff08\u30d1\u30a4\uff09\u306a\u306e\u3067\u3001<br \/>\n<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u3000\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff1d\uff12\u03c0\uff54<br \/>\n\uff11\u79d2\u3067\u03c9\u56de\u3060\u3051\u56de\u8ee2\u3059\u308b\u5834\u5408\u3001\uff54\u79d2\u5f8c\u306e\u56de\u8ee2\u89d2\u306f<br \/>\n<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u3000\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff1d\uff12\u03c0\u03c9t<br \/>\n\u306b\u306a\u308a\u307e\u3059\u3002\u6ce2\u3068\u3057\u3066\u307f\u305f\u5834\u5408\u306f\u3001\u03c9\u306f\u5468\u6ce2\u6570\uff08\u5c71\u3068\u8c37\u3067\u4e00\u3064\u306e\u6ce2\u3068\u3059\u308b\u3068\u304d\u306b\uff11\u79d2\u9593\u306b\u03c9\u500b\u306e\u6ce2\u304c\u3042\u308b\uff09\u306b\u76f8\u5f53\u3057\u307e\u3059\u306d\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e00\u65b9\u3001\u30b9\u30bf\u30fc\u30c8\u3059\u308b\u4f4d\u7f6e\u304c\u539f\u70b9\uff08\u4e0a\u8a18\u306e\u56f3\u306e\u3000\u30b9\u30bf\u30fc\u30c8\u4f4d\u7f6e\u3000P\uff08r\uff1d\uff11\u3001<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff1d\uff10\uff09\uff09\u304b\u3089\u3000<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>0\u3060\u3051\u9045\u308c\u3066\u3044\u308b\uff08\u623b\u3063\u3066\u3044\u308b\uff1d\u53cd\u6642\u8a08\u65b9\u5411\uff09\u5834\u5408\u306f\u3001<br \/>\n\u3000y\uff1dsin(<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u30fc<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>0\uff09<br \/>\n\u3068\u8868\u73fe\u3055\u308c\u307e\u3059\u3002<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\uff1d<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>0\u306b\u9032\u3093\u3060\u3089\u3001\u56de\u8ee2\u89d2\u304c<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u30fc<span id=\"MathJax-Element-21-Frame\" class=\"mjx-chtml MathJax_CHTML\" style=\"display: inline-block; line-height: 0; text-indent: 0px; text-align: left; text-transform: none; font-style: normal; font-weight: 400; font-size: 19.84px; letter-spacing: normal; overflow-wrap: normal; word-spacing: 0px; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; margin: 0px; padding: 1px 0px; color: #000000; font-family: Meiryo; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; position: relative;\" tabindex=\"0\" role=\"presentation\" data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;msub&gt;&lt;mi&gt;&amp;#x3B8;&lt;\/mi&gt;&lt;mn&gt;0&lt;\/mn&gt;&lt;\/msub&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\"><span id=\"MJXc-Node-204\" class=\"mjx-math\" aria-hidden=\"true\"><span id=\"MJXc-Node-205\" class=\"mjx-mrow\"><span id=\"MJXc-Node-206\" class=\"mjx-mstyle\"><span id=\"MJXc-Node-207\" class=\"mjx-mrow\"><span id=\"MJXc-Node-208\" class=\"mjx-msub\"><span class=\"mjx-base\"><span id=\"MJXc-Node-209\" class=\"mjx-mi\"><span class=\"mjx-char MJXc-TeX-math-I\">\u03b8<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>0\uff1d\uff10\uff08\u539f\u70b9\u76f8\u5f53\u4f4d\u7f6e\uff09\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u307e\u3068\u3081\u3001\uff4b\u56de\u8ee2\u5206\u9045\u308c\u4f4d\u7f6e\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3057\u3001\uff54\u79d2\u5f8c\u306b\u03c9\u56de\u3060\u3051\u56de\u8ee2\u3057\u305f\u3068\u304d\u306e<br \/>\n\u5186\u904b\u52d5\u3059\u308b\u70b9\uff30\u306e\u9ad8\u3055y\u306f\u3001\u03b8o= 2\u03c0\uff4b\u3068\u3000\uff4b\u56de\u8ee2\u5206\u306b\u5909\u63db\u3057\u3066\uff12\u03c0\u3092\u307e\u3068\u3081\u3066\u5916\u306b\u51fa\u3057\u3066<\/p>\n<p>\u3000y\uff1dsin(\uff12\u03c0\uff08\u03c9\uff54\u30fc\uff4b\uff09\uff09<\/p>\n<p>\u3053\u308c\u3067\u3001\u3060\u3044\u3076\u4e16\u306e\u4e2d\u306e\u6ce2\u306e\u6570\u5f0f\u306b\u8fd1\u3065\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u5f0f\u306e\u5f62\u3092\u3001\u4e00\u822c\u8ad6\u3068\u3057\u3066\u56f3\u3092\u5e73\u884c\u79fb\u52d5\u3055\u305b\u308b\u65b9\u6cd5\u3068\u3057\u3066\u306e\u8868\u73fe\u65b9\u6cd5\u3068\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002<\/p>\n<p>y=f( x )\u3092\uff58\uff59\u5ea7\u6a19\u9762\u306b\u66f8\u3044\u305f\u56f3\u306b\u5bfe\u3057\u3066\u3001 <br \/>\ny=f( x &#8211; k )\u306f\u3001\u56f3\u306e\u5f62\u3092\u305d\u306e\u307e\u307e\u306b<span style=\"color: #0000ff;\"><strong>\uff58\u8ef8\u3067\uff4b\u3060\u3051\u53f3\u5074\u306b\u5e73\u884c\u79fb\u52d5<\/strong><\/span>\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u306e\u3067<br \/>\n\uff59\uff1dsin( t &#8211; x ) \u3000\u306f\u3001\u95a2\u6570sin\u306e\u9ad8\u3055\uff59\u3092\u3001\u56de\u8ee2\u89d2\u3092\u8868\u3059\u6642\u9593\uff54\u3068\u3001\u30b9\u30bf\u30fc\u30c8\u4f4d\u7f6e\u3067\u306e\u56de\u8ee2\u89d2\u306e\u305a\u308c\uff58\u3067\u8868\u73fe\u3057\u305f\u3082\u306e\u3002<br \/>\n\u6b21\u306b\u8aac\u660e\u3059\u308b\u5f0f\u3067\u306f\u3001\u56de\u8ee2\u89d2\u306e\u4e2d\u306b\u3001\u89d2\u5ea6\u304c\u6642\u9593\uff54\u3068\u4f4d\u7f6e\uff58\u3067\u8868\u3055\u308c\u308b\u5f0f\u304c\u5165\u3063\u3066\u304d\u307e\u3059\u3002<br \/>\n\u6ce2\u304c\u3001\u7a7a\u9593\u306e\u4e2d\u3092\u6642\u9593\u3068\u5171\u306b\u9032\u3093\u3067\u3044\u304f\u306e\u3067\u3001\u3053\u306e\u3088\u3046\u306a\u8868\u73fe\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u3002<br \/>\n\u6ce2\u306e\u8981\u7d20\u306b\u306f\u3001\u6642\u9593\u3068\u3001\u4f4d\u7f6e\u3068\u3001\u9ad8\u3055\u304c\u3042\u308b\u306e\u3067\u3001\u307e\u3068\u3081\u3066\u4e00\u3064\u306e\u6570\u5f0f\u3067\u8868\u73fe\u3057\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30e1\u30fc\u30b8\u3067\u308f\u304b\u308a\u3084\u3059\u3044\u3082\u306e\u3092\u63a2\u3057\u305f\u3089\u4e0b\u8a18\u306b\u7d39\u4ecb\u3059\u308b\u8aac\u660e\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u30b0\u30e9\u30d5\u3092\u3057\u307f\u3058\u307f\u773a\u3081\u308b\u3068\u3001\u6ce2\u3068\u305d\u306e\u6570\u5b66\u7684\u8868\u73fe\u306e\u610f\u5473\u304c\u611f\u3058\u3089\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\n<p>\n<span style=\"font-size: 20px;\"><strong>\u53d7\u9a13\u306e\u5473\u65b9<\/strong><\/span>\u3000<a href=\"https:\/\/juken-mikata.net\/how-to\/physics\/wave-equation.html\">https:\/\/juken-mikata.net\/how-to\/physics\/wave-equation.html<\/a><\/p>\n<p>\u9ad8\u6821\u306e\u7269\u7406\u5b66\u3067\u306f\u3001\u6ce2\u3092\u8868\u3059\u95a2\u6570\u3068\u3057\u3066<b>y\uff1dsin(t\uff0dx)\u3092\u7fd2\u3044\u307e\u3059\u3002<\/b><\/p>\n<p><b>y\uff1dsin(t\uff0dx)\u306f\u66f2\u9762\u3092\u4f7f\u3063\u305f\u30b0\u30e9\u30d5\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"lazy aligncenter wp-image-19937 lazy-loaded\" src=\"https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341-300x158.jpg\" sizes=\"auto, (max-width: 610px) 100vw, 610px\" srcset=\"https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341-300x158.jpg 300w, https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341-768x403.jpg 768w, https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341-1024x538.jpg 1024w, https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341.jpg 1200w\" alt=\"\" width=\"610\" height=\"321\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341-300x158.jpg\" data-lazy-srcset=\"https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341-300x158.jpg 300w, https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341-768x403.jpg 768w, https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341-1024x538.jpg 1024w, https:\/\/juken-mikata.sakura.ne.jp\/wp-content\/uploads\/2018\/11\/c0d73d3247110db98f006fece05248341.jpg 1200w\" data-lazy-sizes=\"(max-width: 610px) 100vw, 610px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"\u96fb\u78c1\u6c17\u3067\u4ea4\u6d41\u3092\u8003\u3048\u308b\u3068\u304d\u3001\u57fa\u672c\u30e2\u30c7\u30eb\u306f\u5186\u904b\u52d5\u306e\u7406\u89e3\u3068\u89e3\u91c8\u3068\u6570\u5f0f\u8868\u73fe\u3068\u56f3\u89e3\u3067\u3059\u3002 \u306a\u306e\u3067\u3001\u30cd\u30c3\u30c8\u3067\u5186\u904b\u52d5\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3059\u308b\u30b5\u30a4\u30c8\u3092\u63a2\u3057\u3066\u307f\u305f\u3089\u3001 \u91d1\u6ca2\u5de5\u696d\u5927\u5b66\u306e\u30b5\u30a4\u30c8\u304c\u898b\u3064\u304b\u308a\u307e\u3057\u305f\u3002 &nbsp; \u7b49\u901f\u5186\u904b\u52d5\u00a0(un &#8230;","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"vk-ltc-link":"","vk-ltc-target":"0","footnotes":""},"categories":[21],"tags":[],"class_list":["post-2915","post","type-post","status-publish","format-standard","hentry","category-engineering"],"_links":{"self":[{"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/posts\/2915","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/comments?post=2915"}],"version-history":[{"count":16,"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/posts\/2915\/revisions"}],"predecessor-version":[{"id":2931,"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/posts\/2915\/revisions\/2931"}],"wp:attachment":[{"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/media?parent=2915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/categories?post=2915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jfs.or.jp\/jfs-cs\/wp-json\/wp\/v2\/tags?post=2915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}