{"id":250,"date":"2022-07-30T19:30:56","date_gmt":"2022-07-30T10:30:56","guid":{"rendered":"https:\/\/torisetudy.com\/?page_id=250"},"modified":"2025-04-03T21:16:24","modified_gmt":"2025-04-03T12:16:24","slug":"%e9%80%9f%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=250","title":{"rendered":"\u901f\u5ea6"},"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> \u529b\u5b66\u306e\u76ee\u6a19<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u3069\u3046\u3084\u3063\u3066\u904b\u52d5\u3092\u8868\u73fe\u3059\u308b\uff1f<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u901f\u5ea6<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u901f\u5ea6\u306e\u6b63\u8ca0\u3068\u901f\u3055<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u529b\u5b66\u306e\u76ee\u6a19<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u529b\u5b66\u306e\u4f4d\u7f6e\u3065\u3051<\/h3>\n\n\n\n<p>\u7269\u7406\u306e\u4e2d\u3067\u6700\u3082\u91cd\u8981\u306a\u5358\u5143\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ed6\u306e\u5358\u5143\u3067\u3082\u529b\u5b66\u306e\u77e5\u8b58\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u591a\u3005\u3042\u308a\u307e\u3059\u306e\u3067\uff0c\u306a\u3093\u3068\u3057\u3066\u3067\u3082\u5f97\u610f\u306b\u3057\u3066\u304a\u304d\u305f\u3044\u5358\u5143\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><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>\u300c\u529b\u5b66\u3092\u5236\u3059\u308b\u8005\u304c\u7269\u7406\u3092\u5236\u3059\u308b\u300d\u306e\u306f\u9593\u9055\u3044\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u76ee\u6a19<\/h3>\n\n\n\n<p>\u529b\u5b66\u306e\u5358\u5143\u3067\u306f\uff0c<span class=\"st-mymarker-s\"><span class=\"st-mymarker-s-b\">\u529b\u3092\u52a0\u3048\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u7269\u4f53\u304c\u3069\u306e\u3088\u3046\u306b\u904b\u52d5\u3059\u308b\u306e\u304b<\/span><\/span>\u3092\u8003\u3048\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7269\u4f53\u306b\u52a0\u308f\u308b\u529b\u3092\u5143\u306b\uff0c\u7269\u4f53\u306e\u904b\u52d5\u306e\u69d8\u5b50\u3092\u8868\u73fe\u3057\u305f\u308a\uff0c\u4e88\u6e2c\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u76ee\u6a19\u306b\u306a\u308b\u308f\u3051\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u305f\u3081\u306b\uff0c\u904b\u52d5\u65b9\u7a0b\u5f0f\u3084\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u306a\u3069\uff0c\u69d8\u3005\u306a\u6cd5\u5247\u3092\u5b66\u7fd2\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u3069\u3046\u3084\u3063\u3066\u904b\u52d5\u3092\u8868\u73fe\u3059\u308b\uff1f<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">100\u30e1\u30fc\u30c8\u30eb\u8d70\u308b\u4eba\u3092\u4f8b\u306b<\/h3>\n\n\n\n<p>\u3055\u3066\uff0c\u300c\u7269\u4f53\u306e\u904b\u52d5\u306e\u69d8\u5b50\u3092\u8868\u73fe\u3059\u308b\u300d\u3068\u3044\u3044\u307e\u3057\u305f\u304c\uff0c\u904b\u52d5\u306e\u69d8\u5b50\u3092\u8868\u73fe\u3059\u308b\u306e\u3063\u3066\u306a\u304b\u306a\u304b\u96e3\u3057\u304f\u306a\u3044\u3067\u3059\u304b\uff1f<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\uff0c$100$ \u30e1\u30fc\u30c8\u30eb\u8d70\u3092\u8d70\u308b\u4eba\u306e\u904b\u52d5\u3092\u8868\u73fe\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3042\u308b\u4eba\u306f\u300c$100$ \u30e1\u30fc\u30c8\u30eb\u306e\u8ddd\u96e2\u3092\u52a0\u901f\u3057\u306a\u304c\u3089\u8d70\u3063\u305f\uff01\u300d\u3068\u8868\u73fe\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3067\u3082\u3053\u308c\u3067\u306f\uff0c\u307e\u3063\u3059\u3050\u8d70\u3063\u305f\u306e\u304b\uff0c\u30ab\u30fc\u30d6\u3092\u8d70\u3063\u305f\u306e\u304b\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u300c$100$ \u30e1\u30fc\u30c8\u30eb\u306e\u76f4\u7dda\u3092\u52a0\u901f\u3057\u306a\u304c\u3089\u8d70\u3063\u305f\uff01\u30b4\u30fc\u30eb\u3057\u305f\u3068\u304d\u306e\u901f\u3055\u306f\u79d2\u901f $8$ \u30e1\u30fc\u30c8\u30eb\u3060\u3063\u305f\uff01\u300d\u3068\u3044\u3046\u8868\u73fe\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u3002\u3042\u308b\u7a0b\u5ea6\u5177\u4f53\u7684\u306b\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u304c\uff0c$50$ \u30e1\u30fc\u30c8\u30eb\u3092\u901a\u904e\u3057\u305f\u3068\u304d\u306e\u901f\u3055\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-problem\" style=\"color:#000;background-color:#fafafa\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-emotion-frown st-css-no\" data-icon-label=\"\u554f\u984c\u70b9\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#000\">\n<p>\u8a00\u8449\u3067\u904b\u52d5\u3092\u8868\u73fe\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u3002\u4eba\u306b\u3088\u3063\u3066\u8868\u73fe\u306e\u65b9\u6cd5\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5ea7\u6a19\u8ef8\u3092\u8a2d\u5b9a\u3059\u308b\uff01<\/h3>\n\n\n\n<p>\u305d\u3053\u3067\uff0c\u904b\u52d5\u3092\u5ba2\u89b3\u7684\u306b\u6b63\u78ba\u306b\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\uff0c<span class=\"st-mymarker-s-b\">\u5ea7\u6a19\u8ef8\u3092\u8a2d\u5b9a\u3057\u3066\u6b63\u8ca0\u306e\u5411\u304d\u4ed8\u304d\u3067\u904b\u52d5\u3092\u8b70\u8ad6\u3057\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n<p>\u904b\u52d5\u304c\u76f4\u7dda\u4e0a\u3067\u3042\u308c\u3070 $x$ \u8ef8\u3092\u4f7f\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u304c\uff0c\u5e73\u9762\u4e0a\u3067\u306e\u904b\u52d5\u306e\u5834\u5408\u306f $y$ \u8ef8\u3082\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3057\uff0c3\u6b21\u5143\u7a7a\u9593\u3067\u306e\u904b\u52d5\u3067\u3042\u308c\u3070 $z$ \u8ef8\u3082\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-3\">\u901f\u5ea6<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u305d\u3082\u305d\u3082\u300c\u901f\u3055\u300d\u3063\u3066\u2026\uff1f<\/h3>\n\n\n\n<p>\u5c0f\u5b66\u6821\u3067\uff0c\u3059\u3067\u306b\u300c\u901f\u3055\u300d\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002\u6642\u901f $100\\punit{km}$\uff08\u4ee5\u5f8c\uff0c$100\\punit{km\/h}$ \u3068\u8868\u3059\uff09\u3068\u3044\u3046\u306e\u306f\u300c $1$ \u6642\u9593\u3042\u305f\u308a\u306b $100\\punit{km}$ \u300d\u9032\u3080\u300c\u901f\u3055\u300d\u3068\u3044\u3046\u610f\u5473\u3067\u3057\u305f\u306d\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\uff0c\u65e5\u5e38\u306e\u751f\u6d3b\u306b\u304a\u3044\u3066\uff0c\u5e38\u306b\u7b49\u901f\u3067\u79fb\u52d5\u3057\u3066\u3044\u308b\u3082\u306e\u306f\u591a\u304f\u3042\u308a\u307e\u305b\u3093\u3002$100\\punit{km\/h}$ \u3067\u8d70\u3063\u3066\u3044\u308b\u8eca\u3082\uff0c\u505c\u8eca\u3057\u3066\u3044\u308b\u3068\u304d\u306f $0\\punit{km\/h}$ \u3067\u3059\u3057\uff0c\u305d\u308c\u304c $10\\punit{km\/h} ,\\ 20\\punit{km\/h} ,\\ 30\\punit{km\/h} ,\\ \\ldots$ \u3068\u52a0\u901f\u3057\u3066\u3044\u304d\uff0c$100\\punit{km\/h}$ \u306b\u306a\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u9805\u76ee\u3067\u306f\uff0c\u305d\u3093\u306a\u300c\u901f\u3055\u300d\u306b\u95a2\u3057\u3066\u3088\u308a\u8a73\u7d30\u306a\u89e3\u304d\u65b9\u3092\u5c0e\u5165\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e73\u5747\u306e\u901f\u5ea6<\/h3>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u5148\u306f\u4e0a\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b\uff0c\u5ea7\u6a19\u3092\u7528\u3044\u3066\u7269\u4f53\u306e\u904b\u52d5\u3092\u8003\u3048\u3066\u3044\u304d\u307e\u3059\u3002\u307e\u305a\u306f\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\uff0c\u4e00\u76f4\u7dda\u4e0a\uff08$x$ \u8ef8\u4e0a\uff09\u3092\u904b\u52d5\u3059\u308b\u7269\u4f53\u3067\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"210\" height=\"92\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406001.svg\" alt=\"\" class=\"wp-image-7443\"\/><noscript><img decoding=\"async\" width=\"210\" height=\"92\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406001.svg\" alt=\"\" class=\"wp-image-7443\"\/><\/noscript><\/figure>\n\n\n\n<p>\u6570\u76f4\u7dda\u4e0a\u3092\u904b\u52d5\u3059\u308b\u7269\u4f53 $\\rmP$ \u306e\u6642\u523b $t$ \u306b\u304a\u3051\u308b\u5ea7\u6a19\u3092 $x$ \u3068\u3057\u307e\u3059\u3002$x$ \u306f $t$ \u306e\u95a2\u6570\u3067\u3059\u304b\u3089\uff0c$x(t)$ \u3068\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-tyuu\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle\">\u6bce\u56de $x(t)$ \u3068\u304b\u3044\u3066\u3044\u308b\u3068\u8868\u8a18\u304c\u7169\u96d1\u306b\u306a\u308b\u306e\u3067\uff0c\u4ee5\u4e0b\u3067\u306f\u5834\u5408\u306b\u3088\u3063\u3066 $x(t)$ \u3092\u7c21\u7565\u5316\u3057\u3066 $x$ \u3068\u304b\u304d\u8868\u3059\u3053\u3068\u306b\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u7269\u7406\u5b66\u3067\u7528\u3044\u308b\u300c$x$\u300d\u306f\u7269\u4f53\u306e\u4f4d\u7f6e\u3092\u8868\u3059\u3053\u3068\u304c\u5927\u534a\u3067\uff0c\u901a\u5e38\u306f\u6642\u523b $t$ \u306e\u95a2\u6570\u3068\u306a\u308b\u305f\u3081\uff0c\u6bce\u56de\u308f\u3056\u308f\u3056\u300c$x(t)$\u300d\u3068\u304b\u304f\u5fc5\u8981\u304c\u306a\u3044\u305f\u3081\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u6642\u523b $t$ \u304b\u3089 $t+\\varDelta t$ \u307e\u3067\u306e\u6642\u9593 $\\varDelta t$ \u306e\u9593\uff0c\u7269\u4f53 $\\rmP$ \u304c\u904b\u52d5\u3057\u305f\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\uff0c\u7269\u4f53\u306e\u4f4d\u7f6e\u306f $x(t)$ \u304b\u3089 $x(t+\\varDelta t)$ \u307e\u3067\u5909\u5316\u3057\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u306e $t$ \u306e\u5897\u5206 $\\varDelta t$ \u306b\u5bfe\u3059\u308b $x(t)$ \u306e\u5e73\u5747\u5909\u5316\u7387\u306f\uff0c<br>$$\\Bun{\\varDelta x}{\\varDelta t}=\\bun{x(t+\\varDelta t)-x(t)}{\\varDelta t}$$\u3068\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u5024\u306f\uff0c\u300c\u6642\u9593 $\\varDelta t$ \u306e\u9593\u306b\uff0c\u5e73\u5747\u3057\u3066\u5358\u4f4d\u6642\u9593\uff08$1$ \u79d2\u9593\uff09\u3042\u305f\u308a $x$ \u304c\u3069\u306e\u304f\u3089\u3044\u5909\u5316\u3057\u305f\u304b\u300d\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092<strong><span class=\"st-mymarker-s\">\u5e73\u5747\u306e\u901f\u5ea6<\/span><\/strong>\u3068\u3044\u3044\u307e\u3059\u3002\u5e73\u305f\u304f\u3044\u3048\u3070\uff0c\u300c\u904b\u52d5\u5168\u4f53\u3067\u5e73\u5747\u3059\u308b\u3068\uff0c$1$ \u79d2\u9593\u306b\u3069\u306e\u304f\u3089\u3044\u9032\u3093\u3067\u3044\u305f\u304b\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title\" style=\"background-color:#fff;border-color:#ffdab9\"><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\u5747\u306e\u901f\u5ea6<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u6642\u9593 $\\varDelta t$ \u306e\u9593\u306b $\\varDelta x$ \u3060\u3051\u7269\u4f53\u304c\u9032\u3093\u3060\u3068\u304d\u306e\u5e73\u5747\u306e\u901f\u5ea6 $\\overline{v}$ \u306f\uff0c<br>$$\\overline{v}=\\Bun{\\varDelta x}{\\varDelta t}$$<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle\">\u7269\u7406\u3067\u306f $1$ \u79d2\u9593\u3092\u57fa\u6e96\u3068\u3057\u3066\u6642\u9593\u3092\u8b70\u8ad6\u3059\u308b\u3053\u3068\u304c\u591a\u304f\uff0c\u3053\u308c\u3092\u300c\u5358\u4f4d\u6642\u9593\u300d\u3068\u547c\u3076\u3002\u300c\u6642\u901f\u300d\u306e\u3088\u3046\u306b\u300c\u79d2\u300d\u3067\u306f\u306a\u304f\u300c\u6642\u9593\u300d\u3067\u8003\u3048\u308b\u554f\u984c\u3067\u306f\uff0c$1$ \u6642\u9593\u304c\u5358\u4f4d\u6642\u9593\u3068\u306a\u308b\u3002<\/p>\n<\/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>\u6771\u4eac\u304b\u3089\u5927\u962a\u307e\u3067\u306e\u76f4\u7dda\u8ddd\u96e2\u3092 $500$ \u30ad\u30ed\u30e1\u30fc\u30c8\u30eb\u3068\u3059\u308b\u3002$10$ \u6642\u9593\u304b\u3051\u3066\u6771\u4eac\u304b\u3089\u5927\u962a\u3078\u79fb\u52d5\u3057\u305f\u5834\u5408\u306e\u5e73\u5747\u306e\u901f\u5ea6\u3092\u6c42\u3081\u3088\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"post-hashiro-reidaikaitou\">\u6771\u4eac\u304b\u3089\u5927\u962a\u307e\u3067\u306e $500\\punit{km}(=\\varDelta x)$ \u306e\u79fb\u52d5\u306b $10\\punit{h}(=\\varDelta t)$ \u304b\u304b\u3063\u3066\u3044\u308b\u306e\u3067\uff0c\u5e73\u5747\u306e\u901f\u5ea6\u306f\uff0c<br>$$\\bun{\\varDelta x}{\\varDelta t}=\\bun{500}{10}=50\\punit{km\/h}$$<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5909\u5316\u91cf\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n<p>$\\varDelta$\uff08\u30c7\u30eb\u30bf\uff09\u3068\u3044\u3046\u6587\u5b57\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u306e\u3067\uff0c\u3053\u308c\u306b\u3064\u3044\u3066\u3082\u8aac\u660e\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e $\\varDelta $\uff08\u30c7\u30eb\u30bf\uff09\u306f\uff0c\u7269\u7406\u91cf\u306e\u300c\u5909\u5316\u91cf\u300d\u3092\u8868\u3059\u969b\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u5909\u5316\u91cf\u300d\u306f\u300c\u3069\u308c\u3060\u3051\u5897\u3048\u305f\u304b\u300d\u3092\u8868\u3059\u91cf\u3067\u3042\u308a\uff0c$$\\stext{\uff08\u5909\u5316\u91cf\uff09}=\\stext{\uff08\u5f8c\u306e\u5024\uff09}-\\stext{\uff08\u524d\u306e\u5024\uff09}$$\u3068\u3057\u3066\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\uff0c\u300c $30\\punit{km\/h}$ \u306e\u901f\u5ea6\u304c $70\\punit{km\/h}$ \u306b\u306a\u3063\u305f\uff01\u300d\u3068\u3044\u3046\u5834\u5408\u306e\u901f\u5ea6\u306e\u5909\u5316\u91cf\u306f\uff0c$$\\varDelta v=70-30=40\\punit{km\/h}$$ \u3068\u8a08\u7b97\u3055\u308c\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u540c\u69d8\u306b\uff0c\u4f4d\u7f6e\u306e\u5909\u5316\u91cf\u306f $\\varDelta x$ \u3068\u8868\u8a18\u3055\u308c\u307e\u3059\u304c\uff0c\u7279\u306b\u3053\u308c\u306f<span class=\"st-mymarker-s\">\u5909\u4f4d<\/span>\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u300c$\\stext{\uff08\u5909\u4f4d\uff09}=\\stext{\uff08\u5f8c\u306e\u4f4d\u7f6e\uff09}-\\stext{\uff08\u524d\u306e\u4f4d\u7f6e\uff09}$\u300d\u3067\u8a08\u7b97\u3067\u304d\u307e\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>\u5909\u5316\u91cf<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u300c\u3069\u308c\u3060\u3051\u5897\u3048\u305f\u304b\u300d\u3092\u8868\u3059\u91cf\u3067\u3042\u308a\uff0c$\\varDelta$ \u3092\u7528\u3044\u3066\u8868\u3059\u3002$$\\stext{\uff08\u5909\u5316\u91cf\uff09}=\\stext{\uff08\u5f8c\u306e\u5024\uff09}-\\stext{\uff08\u524d\u306e\u5024\uff09}$$\u3067\u8a08\u7b97\u3059\u308b\u3002\u7279\u306b\uff0c\u4f4d\u7f6e\u306e\u5909\u5316\u91cf\u3092\u300c\u5909\u4f4d\u300d\u3068\u547c\u3076\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\uff08\u77ac\u9593\u306e\uff09\u901f\u5ea6<\/h3>\n\n\n\n<p>\u3067\u306f\uff0c\u6771\u4eac\u3068\u5927\u962a\u3092 $20$ \u6642\u9593\u304b\u3051\u3066\u5f80\u5fa9\u3057\u305f\u5834\u5408\u306f\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<p>\u30b9\u30bf\u30fc\u30c8\u5730\u70b9\u306f\u6771\u4eac\uff0c\u30b4\u30fc\u30eb\u5730\u70b9\u3082\u6771\u4eac\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u539f\u70b9\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3057\u3066\u539f\u70b9\u306b\u623b\u3063\u3066\u304f\u308b\uff0c\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u5834\u5408\uff0c\u5408\u8a08\u306e\u79fb\u52d5\u8ddd\u96e2\u306f\u7d50\u5c40 $0\\punit{km}$ \u3068\u3044\u3046\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\uff0c\u5e73\u5747\u306e\u901f\u5ea6\u3082 $0\\punit{km\/h}$ \u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"227\" height=\"81\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406202.svg\" alt=\"\" class=\"wp-image-7451\"\/><noscript><img decoding=\"async\" width=\"227\" height=\"81\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406202.svg\" alt=\"\" class=\"wp-image-7451\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\uff0c$\\varDelta t$ \u3092\u5927\u304d\u304f\u53d6\u308a\u3059\u304e\u3066\u3057\u307e\u3046\u3068\u5e73\u5747\u306e\u901f\u5ea6\u3092\u8003\u3048\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u5c0f\u3055\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u30021\u65e5\u304b\u3051\u3066\u6771\u4eac\u3068\u5927\u962a\u3092\u5f80\u5fa9\u3057\u305f\u306e\u306b\uff0c\u5e73\u5747\u306e\u901f\u5ea6\u304c $0\\ms$ \u3068\u306a\u308b\u306e\u306f\u3061\u3087\u3063\u3068\u9055\u548c\u611f\u304c\u3042\u308a\u307e\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label post-hashiro-problem\" style=\"color:#000;background-color:#fafafa\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-emotion-frown st-css-no\" data-icon-label=\"\u554f\u984c\u70b9\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#000\">\n<p>$\\varDelta t$ \u304c\u5927\u304d\u304f\u306a\u308a\u3059\u304e\u308b\u3068\uff0c\u5e73\u5747\u306e\u901f\u5ea6\u3067\u306f\u6b63\u78ba\u306b\u904b\u52d5\u306e\u69d8\u5b50\u3092\u8868\u73fe\u3067\u304d\u306a\u3044\u3002 <\/p>\n<\/div><\/div>\n\n\n\n<p>\u3053\u3046\u3057\u305f\u554f\u984c\u304c\u8d77\u3053\u3089\u306a\u3044\u3088\u3046\u306b\uff0c$\\varDelta t$ \u3092\u5c0f\u3055\u304f\u3057\u3066\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>$\\varDelta t$ \u3092\u5341\u5206\u5c0f\u3055\u304f\u53d6\u3063\u3066\uff0c\u79fb\u52d5\u4e2d\u306e\u5404\u77ac\u9593\u306b\u3064\u3044\u3066\u306e $x$ \u306e\u5909\u5316\u7387\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u969b\u306b\u5f97\u3089\u308c\u308b\u5024\uff0c<br>$$v(t)=\\lim\\limits_{\\varDelta t\\to0}\\bun{\\varDelta x}{\\varDelta t}=\\Bun{\\dx}{\\dt}$$\u3092<span class=\"st-mymarker-s\">\u77ac\u9593\u306e\u901f\u5ea6<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\uff0c\u77ac\u9593\u306e\u901f\u5ea6\u3068\u306f\u300c\u4f4d\u7f6e $x$ \u306e\u5fae\u5206\u300d\u306a\u306e\u3067\u3059\u3002\u5927\u5207\u306a\u306e\u3067\u3082\u3046\u4e00\u5ea6\u8a00\u3044\u307e\u3059\u3002\u4f4d\u7f6e $x$ \u3092\u5fae\u5206\u3057\u305f\u3082\u306e\u304c\u77ac\u9593\u306e\u901f\u5ea6\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon1 clearfix\"><div class=\"st-kaiwa-face\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u5b8c\u6210\u30a2\u30a4\u30b3\u30f3.png\" width=\"60px\"><\/noscript><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>\u6559\u79d1\u66f8\u306a\u3069\u3067\u306f\u3053\u306e\u5fae\u5206\u3092\u4f7f\u3063\u305f\u5b9a\u7fa9\u3092\u907f\u3051\u3066\u3044\u307e\u3059\u3002\u304c\uff0c\u5fae\u5206\u3092\u4f7f\u308f\u305a\u306b\u8868\u73fe\u3057\u3088\u3046\u3068\u3057\u305f\u7d50\u679c\uff0c\u4f59\u8a08\u3084\u3084\u3053\u3057\u304f\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u77ac\u9593\u306e\u901f\u5ea6\u306f\uff0c\u300c\u305d\u306e\u307e\u307e $1$ \u79d2\u9593\u9032\u307f\u7d9a\u3051\u305f\u5834\u5408\u306b\u9032\u3080\u306f\u305a\u306e\u8ddd\u96e2\u300d\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b $\\varDelta t$ \u3092\u5341\u5206\u5c0f\u3055\u304f\u53d6\u308b\u3053\u3068\u3067\uff0c\u904b\u52d5\u4e2d\u306e\u5404\u77ac\u9593\u306e\u901f\u5ea6\u3092\u6b63\u78ba\u306b\u8868\u73fe\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6570\u5b66\u3084\u7269\u7406\u3067\u5358\u306b\u300c\u901f\u5ea6\u300d\u3068\u3044\u3063\u305f\u5834\u5408\u306b\u306f\uff0c\u5e73\u5747\u306e\u901f\u5ea6\u3067\u306f\u306a\u304f\u77ac\u9593\u306e\u901f\u5ea6\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle\">$x(t)$ \u306e\u5834\u5408\u3068\u540c\u69d8\uff0c\u8868\u8a18\u306e\u7c21\u7565\u5316\u306e\u305f\u3081\u306b\u4ee5\u4e0b\u3067\u306f\u901f\u5ea6 $v(t)$ \u3092\u9069\u5b9c $v$ \u3068\u8868\u8a18\u3059\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title\" style=\"background-color:#fff;border-color:#ffdab9\"><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>\u901f\u5ea6\u306e\u5b9a\u7fa9<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u7269\u4f53\u306e\u901f\u5ea6 $v$ \u306f\uff0c\u7269\u4f53\u306e\u4f4d\u7f6e $x$ \u306e\u5909\u5316\u7387\uff08\u305d\u306e\u77ac\u9593\u306b\u3069\u308c\u304f\u3089\u3044\u79fb\u52d5\u3059\u308b\u304b\uff09\u3092\u8868\u3059\u3002\u3059\u306a\u308f\u3061\uff0c\u7269\u4f53\u306e\u901f\u5ea6 $v$ \u306f\uff0c\u7269\u4f53\u306e\u4f4d\u7f6e $x$ \u3092\u6642\u9593 $t$ \u3067\u5fae\u5206\u3059\u308b\u3053\u3068\u3067\u6c42\u3081\u3089\u308c\u308b\u3002<br>$$v=\\bun{\\dx}{\\dt}$$<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-4\">\u901f\u5ea6\u306e\u6b63\u8ca0\u3068\u901f\u3055<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u901f\u5ea6\u3092\u8003\u3048\u308b\u3068\u304d\u306f\u5411\u304d\u3082\u542b\u3081\u3066<\/h3>\n\n\n\n<p>\u7269\u4f53\u306e\u4f4d\u7f6e\u3092\u8868\u3059\u969b\u306b $x$ \u8ef8\u3092\u5c0e\u5165\u3057\u3066\u5ea7\u6a19\u4e0a\u3067\u8003\u3048\u307e\u3057\u305f\u3002$x$ \u8ef8\u306e\u6b63\u306e\u5411\u304d\u304c\u7269\u4f53\u306e\u4f4d\u7f6e\u306e\u6b63\u306e\u5411\u304d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7269\u4f53\u306e\u901f\u5ea6 $v$ \u3082\u6b63\u306e\u5411\u304d\u3092\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\uff0c\u3053\u3061\u3089\u3082 $x$ \u8ef8\u3068\u540c\u3058\u5411\u304d\u304c\u6b63\u306e\u5411\u304d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u81ea\u5206\u3067\u901f\u5ea6\u3092\u8a2d\u5b9a\u3059\u308b\u969b\u306b\u306f\uff0c\u6b63\u306e\u5411\u304d\u3082\u4e00\u7dd2\u306b\u6c7a\u3081\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u3053\u306e\u3068\u304d\uff0c$x$ \u8ef8\u306e\u6b63\u306e\u5411\u304d\u3068\u9006\u5411\u304d\u306b\u901f\u5ea6\u306e\u6b63\u306e\u5411\u304d\u3092\u8a2d\u5b9a\u3057\u3066\u3057\u307e\u3046\u3068\u308f\u3051\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><span class=\"st-mymarker-s-b\">$x$ \u8ef8\u306e\u6b63\u306e\u5411\u304d\uff08\u4f4d\u7f6e\u306e\u6b63\u306e\u5411\u304d\uff09\u3068\u901f\u5ea6\u306e\u6b63\u306e\u5411\u304d\u306f\u5fc5\u305a\u540c\u3058\u5411\u304d\u306b\u8a2d\u5b9a\u3057\u3066\u4e0b\u3055\u3044\u3002<\/span><\/p>\n\n\n\n<p>\u3053\u308c\u306f\u3082\u3046\u30eb\u30fc\u30eb\u3060\u3068\u601d\u3063\u3066\u6163\u308c\u3066\u3057\u307e\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-midashi-box freebox has-title\" style=\"background-color:#f7f6fb;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 class=\"has-st-margin-bottom has-st-margin-bottom--1\">$x$ \u8ef8\u4e0a\u306b\u304a\u3044\u3066\uff0c$x=5\\m$ \u306e\u4f4d\u7f6e\u304b\u3089 $x=1\\m$ \u306e\u4f4d\u7f6e\u3078\u3068\u7269\u4f53\u304c $2\\s$ \u304b\u3051\u3066\u7b49\u901f\u5ea6\u3067\u79fb\u52d5\u3057\u305f\u5834\u5408\uff0c\u7269\u4f53\u306e\u901f\u5ea6\u3092\u6c42\u3081\u3088\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p class=\"post-hashiro-reidaikaitou\">\u7269\u4f53\u304c $2\\s$ \u306e\u9593\u306b $\\varDelta x=1-5=-4\\m$ \u3060\u3051\u79fb\u52d5\u3057\u3066\u3044\u308b\u306e\u3067\uff0c\u6c42\u3081\u308b\u901f\u5ea6\u306f\uff0c$$v=\\bun{-4}{2}=-2\\ms$$<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-memo clip-memobox has-icon-label\" style=\"color:#808080;background-color:#f5f5f5\"><div class=\"clip-fonticon\" style=\"color:#919191;border-color:#9191914d\"><i class=\"st-fa st-svg-exclamation-circle st-css-no\" data-icon-label=\"\u6ce8\" aria-hidden=\"\"><\/i><\/div><div class=\"clip-memotext\" style=\"color:#808080\">\n<p class=\"has-st-icon has-st-icon-exclamation-circle\">\u672c\u554f\u306e\u3088\u3046\u306b\uff0c\u7269\u4f53\u304c\u7b49\u901f\u5ea6\u3067\u904b\u52d5\u3059\u308b\u5834\u5408\uff08\u7b49\u901f\u76f4\u7dda\u904b\u52d5\uff09\uff0c\u5e73\u5747\u306e\u901f\u5ea6\u3068\uff08\u77ac\u9593\u306e\uff09\u901f\u5ea6\u306f\u7b49\u3057\u304f\u306a\u308b\u3002\u3069\u306e\u77ac\u9593\u306b\u304a\u3044\u3066\u3082\u305a\u3063\u3068\u540c\u3058\u901f\u5ea6\u3067\u3042\u308a\uff0c\u305d\u308c\u3092\u5168\u4f53\u3067\u5e73\u5747\u3057\u3066\u3082\u5f53\u7136\u540c\u3058\u901f\u5ea6\u3068\u306a\u308b\u305f\u3081\u3067\u3042\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u4e0a\u306e\u4f8b\u984c\u3067\u306f\uff0c$x$ \u306f\u6e1b\u5c11\u3059\u308b\u306e\u3067\u901f\u5ea6 $v$ \u306f\u8ca0\u306e\u5024\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u3088\u3046\u306b\u901f\u5ea6 $v$ \u306f\u6b63\u306e\u5024\u3082\u8ca0\u306e\u5024\u3082\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u901f\u3055<\/h3>\n\n\n\n<p>\u901f\u5ea6\u3068\u4f3c\u305f\u8a00\u8449\u306b <span class=\"st-mymarker-s-b\"><span class=\"st-mymarker-s\">\u901f\u3055<\/span><\/span> \u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u304c\uff0c\u3053\u308c\u306f\u901f\u5ea6\u306e\u7d76\u5bfe\u5024 $|v|$ \u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002\u7d76\u5bfe\u5024\u3067\u3059\u306e\u3067\uff0c<span class=\"st-mymarker-s-b\">\u901f\u3055\u304c\u8ca0\u306e\u5024\u3068\u306a\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093<\/span>\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title\" style=\"background-color:#fff;border-color:#ffdab9\"><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>\u901f\u3055<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u901f\u5ea6\u306e\u7d76\u5bfe\u5024 $|v|$ \u3092\u7269\u4f53\u306e\u901f\u3055\u3068\u547c\u3076\u3002\u901f\u3055\u306f\u5fc5\u305a $0$ \u4ee5\u4e0a\u306e\u5024\u3068\u306a\u308b\u3002<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<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","protected":false},"author":1,"featured_media":1178,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,7],"tags":[],"class_list":["post-250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dynamics_base","category-basic_physics"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/250"}],"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=250"}],"version-history":[{"count":45,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/250\/revisions"}],"predecessor-version":[{"id":7454,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/250\/revisions\/7454"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/1178"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}