{"id":4052,"date":"2023-01-10T11:32:18","date_gmt":"2023-01-10T02:32:18","guid":{"rendered":"https:\/\/torisetudy.com\/?p=4052"},"modified":"2025-04-03T00:49:59","modified_gmt":"2025-04-02T15:49:59","slug":"2%e6%ac%a1%e5%85%83%e7%a9%ba%e9%96%93%e3%81%a7%e3%81%ae%e9%81%8b%e5%8b%95","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=4052","title":{"rendered":"2\u6b21\u5143\u7a7a\u9593\u3067\u306e\u904b\u52d5"},"content":{"rendered":"\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u7269\u7406\u57fa\u790e\u306e\u5fa9\u7fd2<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u5e73\u9762\u4e0a\u3067\u306e\u904b\u52d5<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u6570\u5f0f\u3092\u7528\u3044\u305f\u8868\u73fe<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u7269\u7406\u57fa\u790e\u306e\u5fa9\u7fd2<\/span><\/h2>\n\n\n\n<p><div class=\"st-shortcode-div \" style=\"padding: 0 0 0 0;margin: 0 0 -5px -5px;\"><div class=\"st-minihukidashi-box \" ><p class=\"st-minihukidashi\" style=\"background:#FFECB3;margin: 0 0 0 0;font-weight:bold;border-radius: 30px;\"><span class=\"st-minihukidashi-arrow\" style=\"border-top-color: #FFECB3;\"><\/span><span class=\"st-minihukidashi-flexbox\"><i class=\"st-fa st-svg-arrow-circle-right st-css-no\" aria-hidden=\"true\"><\/i>\u300c\u901f\u5ea6\u300d\u306e\u5fa9\u7fd2\u306f\u3053\u3061\u3089\uff01<\/span><\/p><\/div><\/div>\t\t\t\t<a href=\"https:\/\/torisetudy.com\/?p=250\" class=\"st-cardlink\">\r\n\t\t\t\t<div class=\"kanren st-cardbox\" >\r\n\t\t\t\t\t\t\t\t\t\t<dl class=\"clearfix\">\r\n\t\t\t\t\t\t<dt class=\"st-card-img\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_1.\u901f\u5ea6-150x150.png\" class=\"attachment-st_thumb150 size-st_thumb150 wp-post-image\" alt=\"\" srcset=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_1.\u901f\u5ea6-150x150.png 150w, https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_1.\u901f\u5ea6-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><noscript><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_1.\u901f\u5ea6-150x150.png\" class=\"attachment-st_thumb150 size-st_thumb150 wp-post-image\" alt=\"\" srcset=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_1.\u901f\u5ea6-150x150.png 150w, https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_1.\u901f\u5ea6-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/dt>\r\n\t\t\t\t\t\t<dd>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h5 class=\"st-cardbox-t\">\u901f\u5ea6<\/h5>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"st-card-excerpt smanone\">\r\n\t\t\t\t\t\t\t\t\t<p>\u5177\u4f53\u4f8b\u3092\u7528\u3044\u306a\u304c\u3089\uff0c\u901f\u5ea6\u306e\u300c\u3061\u3083\u3093\u3068\u3057\u305f\u5b9a\u7fa9\u300d\u306b\u89e6\u308c\u3066\u3044\u304d\u307e\u3059\u3002\u5fae\u5206\u3067\u7406\u89e3\u3057\u3066\u304a\u304f\u3068\uff0c\u305d\u306e\u5148\u306e\u5b66\u7fd2\u3082\u30b9\u30e0\u30fc\u30ba\u3067\u3059\u3002<\/p>\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"cardbox-more\">\u7d9a\u304d\u3092\u898b\u308b<\/p>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/dd>\r\n\t\t\t\t\t<\/dl>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t\t\t<\/p>\n\n\n\n<p><div class=\"st-shortcode-div \" style=\"padding: 0 0 0 0;margin: 0 0 -5px -5px;\"><div class=\"st-minihukidashi-box \" ><p class=\"st-minihukidashi\" style=\"background:#FFECB3;margin: 0 0 0 0;font-weight:bold;border-radius: 30px;\"><span class=\"st-minihukidashi-arrow\" style=\"border-top-color: #FFECB3;\"><\/span><span class=\"st-minihukidashi-flexbox\"><i class=\"st-fa st-svg-arrow-circle-right st-css-no\" aria-hidden=\"true\"><\/i>\u300c\u52a0\u901f\u5ea6\u300d\u306e\u5fa9\u7fd2\u306f\u3053\u3061\u3089\uff01<\/span><\/p><\/div><\/div>\t\t\t\t<a href=\"https:\/\/torisetudy.com\/?p=1165\" class=\"st-cardlink\">\r\n\t\t\t\t<div class=\"kanren st-cardbox\" >\r\n\t\t\t\t\t\t\t\t\t\t<dl class=\"clearfix\">\r\n\t\t\t\t\t\t<dt class=\"st-card-img\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_2.\u52a0\u901f\u5ea6-150x150.png\" class=\"attachment-st_thumb150 size-st_thumb150 wp-post-image\" alt=\"\" srcset=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_2.\u52a0\u901f\u5ea6-150x150.png 150w, https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_2.\u52a0\u901f\u5ea6-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><noscript><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_2.\u52a0\u901f\u5ea6-150x150.png\" class=\"attachment-st_thumb150 size-st_thumb150 wp-post-image\" alt=\"\" srcset=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_2.\u52a0\u901f\u5ea6-150x150.png 150w, https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_2.\u52a0\u901f\u5ea6-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/dt>\r\n\t\t\t\t\t\t<dd>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h5 class=\"st-cardbox-t\">\u52a0\u901f\u5ea6<\/h5>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"st-card-excerpt smanone\">\r\n\t\t\t\t\t\t\t\t\t<p>\u901f\u5ea6\u3068\u95a2\u9023\u3055\u305b\u306a\u304c\u3089\uff0c\u52a0\u901f\u5ea6\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u300c\u4f4d\u7f6e\u3068\u901f\u5ea6\u300d\u300c\u901f\u5ea6\u3068\u52a0\u901f\u5ea6\u300d\u304c\u540c\u3058\u95a2\u4fc2\u306b\u306a\u308b\u3053\u3068\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\uff01<\/p>\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"cardbox-more\">\u7d9a\u304d\u3092\u898b\u308b<\/p>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/dd>\r\n\t\t\t\t\t<\/dl>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t\t\t<\/p>\n\n\n\n<p><div class=\"st-shortcode-div \" style=\"padding: 0 0 0 0;margin: 0 0 -5px -5px;\"><div class=\"st-minihukidashi-box \" ><p class=\"st-minihukidashi\" style=\"background:#FFECB3;margin: 0 0 0 0;font-weight:bold;border-radius: 30px;\"><span class=\"st-minihukidashi-arrow\" style=\"border-top-color: #FFECB3;\"><\/span><span class=\"st-minihukidashi-flexbox\"><i class=\"st-fa st-svg-arrow-circle-right st-css-no\" aria-hidden=\"true\"><\/i>\u300c$v-t$ \u30b0\u30e9\u30d5\u300d\u306e\u5fa9\u7fd2\u306f\u3053\u3061\u3089\uff01<\/span><\/p><\/div><\/div>\t\t\t\t<a href=\"https:\/\/torisetudy.com\/?p=1185\" class=\"st-cardlink\">\r\n\t\t\t\t<div class=\"kanren st-cardbox\" >\r\n\t\t\t\t\t\t\t\t\t\t<dl class=\"clearfix\">\r\n\t\t\t\t\t\t<dt class=\"st-card-img\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_3.v-t\u30b0\u30e9\u30d5-150x150.png\" class=\"attachment-st_thumb150 size-st_thumb150 wp-post-image\" alt=\"\" srcset=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_3.v-t\u30b0\u30e9\u30d5-150x150.png 150w, https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_3.v-t\u30b0\u30e9\u30d5-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><noscript><img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_3.v-t\u30b0\u30e9\u30d5-150x150.png\" class=\"attachment-st_thumb150 size-st_thumb150 wp-post-image\" alt=\"\" srcset=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_3.v-t\u30b0\u30e9\u30d5-150x150.png 150w, https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/1_3.v-t\u30b0\u30e9\u30d5-100x100.png 100w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/><\/noscript>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/dt>\r\n\t\t\t\t\t\t<dd>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<h5 class=\"st-cardbox-t\">v-t\u30b0\u30e9\u30d5<\/h5>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"st-card-excerpt smanone\">\r\n\t\t\t\t\t\t\t\t\t<p>\u904b\u52d5\u3059\u308b\u7269\u4f53\u306e\u901f\u5ea6\u3092\u8996\u899a\u7684\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b $v-t$ \u30b0\u30e9\u30d5\u3092\u8003\u3048\u3066\u3044\u304d\u307e\u3059\u3002\u50be\u304d\uff0c\u9762\u7a4d\u304c\u305d\u308c\u305e\u308c\u4f55\u3092\u8868\u3059\u304b\u3092\u3057\u3063\u304b\u308a\u3068\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\uff01<\/p>\n\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"cardbox-more\">\u7d9a\u304d\u3092\u898b\u308b<\/p>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/dd>\r\n\t\t\t\t\t<\/dl>\r\n\t\t\t\t<\/div>\r\n\t\t\t\t<\/a>\r\n\t\t\t\t<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u5e73\u9762\u4e0a\u3067\u306e\u904b\u52d5<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2\u6b21\u5143\u3067\u306e\u7269\u4f53\u306e\u904b\u52d5<\/h3>\n\n\n\n<p>\u7269\u7406\u57fa\u790e\u306e\u7bc4\u56f2\u3067\u306f\uff0c\u76f4\u7dda\u4e0a\u306e\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u591a\u304b\u3063\u305f\u3067\u3059\u306d\u3002\u3057\u304b\u3057\uff0c\u7269\u4f53\u304c\u5e73\u9762\u4e0a\u3067\u904b\u52d5\u3092\u884c\u3046\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon4 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u305d\u3082\u305d\u3082\u50d5\u3089\u306e\u751f\u304d\u3066\u3044\u308b\u4e16\u754c\u306f4\u6b21\u5143\u3067\u3059\u304b\u3089\u306d\u30022\u6b21\u5143\u306e\u4e16\u754c\u3067\u751f\u304d\u3066\u3044\u308b\u4eba\u3082\u4e2d\u306b\u306f\u3044\u308b\u3088\u3046\u3067\u3059\u304c\u2026\u3002<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u3053\u306e\u5834\u5408\u306b\u306f\uff0c$x$ \u8ef8\u3060\u3051\u3067\u306a\u304f\uff0c$y$ \u8ef8\u3082\u8a2d\u5b9a\u3057\u3066\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"151\" height=\"129\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406450.svg\" alt=\"\" class=\"wp-image-4051\"\/><\/figure>\n\n\n\n<p>$x$ \u5ea7\u6a19\u304c $x$\uff0c$y$ \u5ea7\u6a19\u304c $y$ \u3067\u3042\u308b\u3088\u3046\u306a\u7269\u4f53\u306e\u4f4d\u7f6e\u306f $(x,\\,y)$ \u3068\u8868\u3055\u308c\u308b\u308f\u3051\u3067\u3059\u304c\uff0c\u3053\u308c\u306f\u300c\u305d\u306e\u7269\u4f53\u306e\u4f4d\u7f6e\u30d9\u30af\u30c8\u30eb\u300d\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\uff0c\u7269\u4f53\u306e\u4f4d\u7f6e\u306f\u30d9\u30af\u30c8\u30eb\u8868\u8a18\u3067 $\\vec{r}=(x,\\,y)$ \u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-3\">\u6570\u5f0f\u3092\u7528\u3044\u305f\u8868\u73fe<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d9\u30af\u30c8\u30eb\u3092\u7528\u3044\u305f\u8868\u8a18<\/h3>\n\n\n\n<p>\u300c2\u6b21\u5143\u306b\u306a\u308b\u3068\u6210\u5206\u304c2\u3064\u3082\u51fa\u3066\u304f\u308b\u304b\u3089\u5927\u5909\uff01\u300d\u3068\u601d\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\uff0c\u57fa\u672c\u7684\u306b\u306f\u6210\u5206\u3054\u3068\u306b\u8003\u3048\u3066\u3057\u307e\u3048\u3070\u3088\u3044\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u901f\u5ea6\u304c $\\vec{v}=(v_x,\\,v_y)$\uff0c\u52a0\u901f\u5ea6\u304c $\\vec{a}=(a_x,\\,a_y)$ \u3068\u8868\u3055\u308c\u308b\u3068\u3057\u307e\u3057\u3087\u3046\u3002$x$ \u8ef8\u65b9\u5411\u306e\u904b\u52d5\u306b\u3064\u3044\u3066\u8003\u3048\u308b\u3068\u304d\u306f $y$ \u65b9\u5411\u306e\u904b\u52d5\u306e\u3053\u3068\u3092\u3044\u3063\u305f\u3093\u5fd8\u308c\u3066\uff0c<br>$$v_x=\\bun{\\dx}{\\dt},\\ a_x=\\bun{\\dv_x}{\\dt}=\\bun{\\d^2x}{\\dt^2}$$\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>$y$ \u8ef8\u65b9\u5411\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u306b\u8003\u3048\u308c\u3070ok\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-point\" style=\"background-color:#fff;border-color:#ff7f50\"><p class=\"st-mybox-title\" style=\"color:#ff7f50;font-weight:bold;text-shadow:#fff 3px 0px 0px, #fff 2.83487px .981584px 0px, #fff 2.35766px 1.85511px 0px, #fff 1.62091px 2.52441px 0px, #fff .705713px 2.91581px 0px, #fff -0.287171px 2.98622px 0px, #fff -1.24844px 2.72789px 0px, #fff -2.07227px 2.16926px 0px, #fff -2.66798px 1.37182px 0px, #fff -2.96998px .42336px 0px, #fff -2.94502px -0.571704px 0px, #fff -2.59586px -1.50383px 0px, #fff -1.96093px -2.27041px 0px, #fff -1.11013px -2.78704px 0px, #fff -0.137119px -2.99686px 0px, #fff .850987px -2.87677px 0px, #fff 1.74541px -2.43999px 0px, #fff 2.44769px -1.73459px 0px, #fff 2.88051px -0.838246px 0px;background:linear-gradient(0deg, #fff 0%, #fff 55%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0) 100%)\"><i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"\"><\/i>\u5e73\u9762\u4e0a\u3067\u306e\u904b\u52d5<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u6210\u5206\u3054\u3068\u306b\u8003\u3048\u308b\u3002\u4f4d\u7f6e\u304c $\\vec{r}=(x,\\,y)$ \u3067\u8868\u3055\u308c\u308b\u7269\u4f53\u306e\u901f\u5ea6 $\\vec{v}=(v_x,\\,v_y)$ \u304a\u3088\u3073\u52a0\u901f\u5ea6 $\\vec{a}=(a_x,\\,a_y)$ \u306f\uff0c<br>$$\\begin{aligned} \\vec{v}&amp;=\\bun{\\d\\vec{r}}{\\dt}=\\left(\\bun{\\dx}{\\dt},\\,\\bun{\\dy}{\\dt}\\right)\\\\[6pt]\\vec{a}&amp;=\\bun{\\d\\vec{v}}{\\dt}=\\bun{\\d^2\\vec{r}}{\\d^2t}\\\\[6pt]&amp;=\\left(\\bun{\\dv_x}{\\dt},\\,\\bun{\\dv_y}{\\dt}\\right)=\\left(\\bun{\\d^2x}{\\dt^2},\\,\\bun{\\d^2y}{\\dt^2}\\right) \\end{aligned}$$\u3068\u3057\u3066\u5f97\u3089\u308c\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><div class=\"st-kaiwa-face-name\">\u7fbd\u767d<\/div><\/div><div class=\"st-kaiwa-area\"><div class=\"st-kaiwa-hukidashi\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u554f\u984c\u3092\u89e3\u304f\u3068\u304d\u306b\u306f\uff0c\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u901f\u5ea6\u3084\u52a0\u901f\u5ea6\u3092\u6210\u5206\u5206\u89e3\u3057\u3066\u8003\u3048\u308b\u7fd2\u6163\u3092\u4ed8\u3051\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-midashi-box freebox has-title post-hashiro-reidai\" style=\"background-color:#f7f7fb;border-width:3px;border-color:#a3bded\"><p class=\"p-free\" style=\"border-color:#a3bded;font-weight:bold\"><span class=\"p-entry-f\" style=\"color:#ffffff;font-weight:bold;background-color:#a3bded\"><i class=\"st-fa st-svg-pencil st-css-no\" aria-hidden=\"\"><\/i>\u4f8b\u984c<\/span><\/p><div class=\"free-inbox\">\n<p>\u6642\u523b $t$ \u306b\u304a\u3051\u308b\u4f4d\u7f6e\u304c $\\vec{r}=(4t,\\,2t+5t^{\\mskip 2mu 2})$ \u3067\u8868\u3055\u308c\u308b\u7269\u4f53\u306e\u904b\u52d5\u306b\u3064\u3044\u3066\uff0c\u4ee5\u4e0b\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002<\/p>\n\n\n\n<p class=\"setumonnkakko\">\u6642\u523b $t$ \u306b\u304a\u3051\u308b\u901f\u5ea6 $\\vec{v}$ \u304a\u3088\u3073\u52a0\u901f\u5ea6 $\\vec{a}$ \u3092\u6c42\u3081\u3088\u3002<\/p>\n\n\n\n<p class=\"setumonnkakko\">\u6642\u523b $t=1$ \u306b\u304a\u3051\u308b\u901f\u3055 $v$ \u3092\u6c42\u3081\u3088\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group post-hashiro-reidaikaitou\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-group gsetumonnkakko\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u4f4d\u7f6e\u306e\u5909\u5316\u7387\u3092\u8003\u3048\u3066\uff0c<\/p>\n\n\n\n<p>$$\\vec{v}=\\left(\\bun{\\dr_x}{\\dt},\\,\\bun{\\dr_y}{\\dt}\\right)=(3,\\,2+10t)$$<\/p>\n\n\n\n<p>\u901f\u5ea6\u306e\u5909\u5316\u7387\u3092\u8003\u3048\u3066\uff0c<\/p>\n\n\n\n<p>$$\\vec{a}=\\left(\\bun{\\dv_x}{\\dt},\\,\\bun{\\dv_y}{\\dt}\\right)=(0,\\,10)$$<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group gsetumonnkakko\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u6642\u523b $t=1$ \u306b\u304a\u3051\u308b\u7269\u4f53\u306e\u901f\u5ea6\u306f\uff0c$(4,\\,12)$ \u3067\u3042\u308b\u3002\u3088\u3063\u3066\uff0c<\/p>\n\n\n\n<p>$$v=\\sqrt{4^2+12^2}=4\\sqrt{10}$$<\/p>\n<\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u7269\u7406\u57fa\u790e\u306e\u5fa9\u7fd22 \u5e73\u9762\u4e0a\u3067\u306e\u904b\u52d53 \u6570\u5f0f\u3092\u7528\u3044\u305f\u8868\u73fe \u7269\u7406\u57fa\u790e\u306e\u5fa9\u7fd2 \u300c\u901f\u5ea6\u300d\u306e\u5fa9\u7fd2\u306f\u3053\u3061\u3089\uff01 \u300c\u52a0\u901f\u5ea6\u300d\u306e\u5fa9\u7fd2\u306f\u3053\u3061\u3089\uff01 \u300c$v-t$ \u30b0\u30e9\u30d5\u300d\u306e\u5fa9\u7fd2\u306f\u3053\u3061\u3089\uff01 \u5e73\u9762\u4e0a\u3067\u306e\u904b\u52d5 2\u6b21\u5143\u3067\u306e\u7269 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":4088,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4052","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics","category-39"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4052"}],"collection":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4052"}],"version-history":[{"count":40,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4052\/revisions"}],"predecessor-version":[{"id":5617,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4052\/revisions\/5617"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/4088"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}