{"id":4315,"date":"2023-03-02T13:48:56","date_gmt":"2023-03-02T04:48:56","guid":{"rendered":"https:\/\/torisetudy.com\/?p=4315"},"modified":"2025-04-03T00:55:18","modified_gmt":"2025-04-02T15:55:18","slug":"%e9%81%8b%e5%8b%95%e9%87%8f%e4%bf%9d%e5%ad%98%e5%89%87","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=4315","title":{"rendered":"\u904b\u52d5\u91cf\u4fdd\u5b58\u5247"},"content":{"rendered":"\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#2\"><span class=\"toc_number toc_depth_1\">1<\/span> 2\u7269\u4f53\u306e\u885d\u7a81<\/a><\/li><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">2<\/span> \u904b\u52d5\u91cf\u304c\u4fdd\u5b58\u3059\u308b\u6761\u4ef6<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">3<\/span> \u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u8003\u3048\u308b\u72b6\u6cc1<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">4<\/span> \u5e73\u9762\u904b\u52d5\u306b\u304a\u3051\u308b\u904b\u52d5\u91cf\u4fdd\u5b58\u5247<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"2\">2\u7269\u4f53\u306e\u885d\u7a81<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u885d\u7a81\u306e\u8003\u3048\u65b9<\/h3>\n\n\n\n<p>\u76f4\u7dda\u4e0a\u30672\u7269\u4f53\u304c\u885d\u7a81\u3059\u308b\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u904b\u52d5\u65b9\u7a0b\u5f0f\u3092\u7acb\u3066\u3066\u89e3\u3051\u308c\u3070\u305d\u308c\u3067\u3088\u3044\u306e\u3067\u3059\u304c\uff0c\u885d\u7a81\u4e2d\u306f\u4e92\u3044\u306b\u53ca\u307c\u3057\u5408\u3046\u5782\u76f4\u6297\u529b\u306e\u5927\u304d\u3055\u304c\u975e\u5e38\u306b\u5927\u304d\u304f\uff0c\u6642\u9593\u5909\u5316\u3082\u3059\u308b\u305f\u3081\uff0c\u904b\u52d5\u65b9\u7a0b\u5f0f\u304b\u3089\u904b\u52d5\u3092\u89e3\u6790\u3059\u308b\u306e\u304c\u56f0\u96e3\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u6483\u529b\u3092\u6271\u3063\u305f\u969b\u3068\u540c\u3058\u3088\u3046\u306b\uff0c\u904b\u52d5\u91cf\u5909\u5316\u3068\u529b\u7a4d\u306e\u95a2\u4fc2\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7c21\u5358\u306a\u4f8b<\/h3>\n\n\n\n<p>\u8cea\u91cf $m_1$ \u306e\u5c0f\u74031\u304c\uff0c\u8cea\u91cf $m_2$ \u306e\u5c0f\u74032\u306b\u885d\u7a81\u3059\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u885d\u7a81\u524d\u306e\u5404\u5c0f\u7403\u306e\u901f\u5ea6\u304c $v_1,\\,v_2$\uff0c\u885d\u7a81\u5f8c\u306e\u5404\u5c0f\u7403\u306e\u901f\u5ea6\u304c $v_1\\mskip 1mu\\prime ,\\,v_2\\mskip 1mu\\prime $ \u3067\u3042\u308b\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"358\" height=\"93\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406474.svg\" alt=\"\" class=\"wp-image-4286\"\/><noscript><img decoding=\"async\" width=\"358\" height=\"93\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406474.svg\" alt=\"\" class=\"wp-image-4286\"\/><\/noscript><\/figure>\n\n\n\n<p>\u885d\u7a81\u4e2d\u306b\u5c0f\u74031\u304c\u53d7\u3051\u308b\u529b\u3092 $F$ \u3068\u3057\u305f\u5834\u5408\uff0c\u5c0f\u74032\u304c\u53d7\u3051\u308b\u529b\u306f $-F$ \u3068\u304b\u3051\u307e\u3059\uff08\u4f5c\u7528\u30fb\u53cd\u4f5c\u7528\u306e\u6cd5\u5247\uff01\uff09\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>\u3053\u3053\u304b\u3089\u5148\u306f\uff0c\u305d\u308c\u305e\u308c\u306e\u7269\u4f53\u306b\u3064\u3044\u3066\u904b\u52d5\u91cf\u5909\u5316\u3068\u529b\u7a4d\u306e\u95a2\u4fc2\u3092\u7acb\u5f0f\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"is-style-st-heading-custom-count post-hashiro-countA wp-block-heading\">\u5c0f\u74031\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n<p>\u885d\u7a81\u524d\u306e\u904b\u52d5\u91cf\u306f $m_1v_1$\uff0c\u885d\u7a81\u5f8c\u306e\u904b\u52d5\u91cf\u306f $m_1v_1\\mskip 1mu\\prime $ \u3067\u3059\u3002<\/p>\n\n\n\n<p>\u885d\u7a81\u4e2d\u306b\u53d7\u3051\u305f\u529b\u7a4d\u306f\uff0c$\\displaystyle\\int_{t_1}^{t_2}F\\dt=I$ \u3068\u304b\u3051\u308b\u306e\u3067\uff0c\u904b\u52d5\u91cf\u5909\u5316\u3068\u529b\u7a4d\u306e\u95a2\u4fc2\u306f\uff0c<\/p>\n\n\n\n<p>$$m_1v_1\\mskip 1mu\\prime -m_1v_1=\\int_{t_1}^{t_2}F\\dt\\stext{\\quad\u2026\u2026\\ \u2460}$$\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"is-style-st-heading-custom-count post-hashiro-countA wp-block-heading\">\u5c0f\u74032\u306b\u3064\u3044\u3066<\/h3>\n\n\n\n<p>\u5c0f\u74032\u304c\u53d7\u3051\u308b\u529b\u306f $-F$ \u3068\u304b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3088\u3063\u3066\uff0c\u885d\u7a81\u4e2d\u306b\u53d7\u3051\u308b\u529b\u7a4d\u3082\uff0c<\/p>\n\n\n\n<p>$$\\int_{t_1}^{t_2}(-F)\\dt=-\\int_{t_1}^{t_2}F\\dt=-I$$\u3068\u304b\u3051\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u904b\u52d5\u91cf\u5909\u5316\u3068\u529b\u7a4d\u306e\u95a2\u4fc2\u306f\uff0c<\/p>\n\n\n\n<p>$$m_2v_2\\mskip 1mu\\prime -m_2v_2=-\\int_{t_1}^{t_2}F\\dt\\stext{\\quad\u2026\u2026\\ \u2461}$$\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7d50\u8ad6<\/h3>\n\n\n\n<p>\u2460\uff0c\u2461 \u5f0f\u3092\u8fba\u3005\u8db3\u3059\u3053\u3068\u3067\uff0c<\/p>\n\n\n\n<p>$$m_1v_1+m_2v_2=m_1v_1\\mskip 1mu\\prime +m_2v_2\\mskip 1mu\\prime $$\u3068\u3044\u3046\u5f0f\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5de6\u8fba\u306f\u885d\u7a81\u524d\u306e2\u3064\u306e\u5c0f\u7403\u306e\u904b\u52d5\u91cf\u306e\u548c\u3092\uff0c\u53f3\u8fba\u306f\u885d\u7a81\u5f8c\u306e2\u3064\u306e\u5c0f\u7403\u306e\u904b\u52d5\u91cf\u306e\u548c\u3092\u8868\u3057\u3066\u304a\u308a\uff0c\u3053\u308c\u3089\u304c\u7b49\u3057\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\uff0c\u885d\u7a81\u306e\u524d\u5f8c\u3067<span class=\"st-mymarker-s-b\">\u300c\u904b\u52d5\u91cf\u306e\u548c\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u300d<\/span>\u3068\u3044\u3048\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092<span class=\"st-mymarker-s\">\u904b\u52d5\u91cf\u4fdd\u5b58\u5247<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u904b\u52d5\u91cf\u304c\u4fdd\u5b58\u3059\u308b\u6761\u4ef6<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6210\u7acb\u6761\u4ef6<\/h3>\n\n\n\n<p>\u300c\u904b\u52d5\u91cf\u5909\u5316\u3068\u529b\u7a4d\u306e\u95a2\u4fc2\u300d\u304b\u3089\u300c\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u306e\u5f0f\u300d\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u304c\uff0c2\u7269\u4f53\u306e\u53d7\u3051\u308b\u529b\u304c\u3044\u305a\u308c\u3082\u4f5c\u7528\u30fb\u53cd\u4f5c\u7528\u306e\u307f\u3067\u3042\u308a\uff0c\u5404\u7269\u4f53\u306e\u300c\u904b\u52d5\u91cf\u5909\u5316\u3068\u529b\u7a4d\u306e\u95a2\u4fc2\u300d\u3092\u8db3\u3057\u5408\u308f\u305b\u305f\u3068\u304d\u306b\u529b\u7a4d\u304c\u6253\u3061\u6d88\u3057\u5408\u3046\u70b9\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u8db3\u3057\u5408\u308f\u305b\u305f\u3068\u304d\u306b\uff0c\u529b\u7a4d\u304c\u6253\u3061\u6d88\u3057\u5408\u308f\u306a\u3051\u308c\u3070\u904b\u52d5\u91cf\u306e\u548c\u3082\u4fdd\u5b58\u3055\u308c\u306a\u3044\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3088\u3063\u3066\uff0c\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u304c\u6210\u7acb\u3059\u308b\u6761\u4ef6\u306f\uff0c<span class=\"st-mymarker-s-b\">\u300c2\u7269\u4f53\u306e\u5408\u8a08\u306e\u529b\u7a4d\u304c $0$ \u306b\u306a\u308b\u300d<\/span>\u3053\u3068\u3060\u3068\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u3064\u307e\u308a\uff0c2\u7269\u4f53\u306b\u4f5c\u7528\u3059\u308b\u529b\u304c\u4f5c\u7528\u30fb\u53cd\u4f5c\u7528\u306e\u3088\u3046\u306b\u4e92\u3044\u306b\u6253\u3061\u6d88\u3057\u5408\u3046\u529b\u306e\u307f\u3067\u3042\u308c\u3070\u3088\u3044\uff0c\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"352\" height=\"104\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406475.svg\" alt=\"\" class=\"wp-image-4316\"\/><noscript><img decoding=\"async\" width=\"352\" height=\"104\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406475.svg\" alt=\"\" class=\"wp-image-4316\"\/><\/noscript><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5185\u529b<\/h3>\n\n\n\n<p>\u300c\u7cfb\u306e\u5185\u90e8\u306b\u4f5c\u7528\u3082\u53cd\u4f5c\u7528\u3082\u542b\u307e\u308c\u3066\u3044\u308b\u300d\u3088\u3046\u306a\u529b\u306e\u3053\u3068\u3092<span class=\"st-mymarker-s\">\u5185\u529b<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u306e\u8a71\u306f\uff0c<span class=\"st-mymarker-s\">\u300c\u7cfb\u306b\u5185\u529b\u306e\u307f\u304c\u4f5c\u7528\u3059\u308b\u3068\u304d\uff0c\u904b\u52d5\u91cf\u306e\u548c\u304c\u4fdd\u5b58\u3055\u308c\u308b\u300d<\/span>\u3068\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\uff0c2\u7269\u4f53\u306e\u4e2d\u3067\u4e92\u3044\u306b\u6253\u3061\u6d88\u3057\u5408\u308f\u306a\u3044\u529b\uff08\u5916\u90e8\u304b\u3089\u4f5c\u7528\u3059\u308b\u529b\u306a\u3069\uff09\u306e\u3053\u3068\u3092<span class=\"st-mymarker-s\">\u5916\u529b<\/span>\u3068\u547c\u3073\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>\u904b\u52d5\u91cf\u4fdd\u5b58\u5247<\/p><div class=\"st-in-mybox\">\n<p>2\u7269\u4f53\u306b\u5185\u529b\u306e\u307f\u304c\u4f5c\u7528\u3059\u308b\u3068\u304d\uff0c\u904b\u52d5\u91cf\u306e\u548c\u304c\u4fdd\u5b58\u3055\u308c\u308b\u3002\u3059\u306a\u308f\u3061\uff0c<\/p>\n\n\n\n<p>$$m_1v_1+m_2v_2=m_1v_1\\mskip 1mu\\prime +m_2v_2\\mskip 1mu\\prime $$\u304c\u6210\u7acb\u3059\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a8\u30cd\u30eb\u30ae\u30fc\u4fdd\u5b58\u5247\u3068\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p>\u3055\u3066\uff0c\u91cd\u8981\u306a\u306e\u3067\u3082\u3046\u4e00\u5ea6\u3044\u3044\u307e\u3059\u304c\uff0c\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u304c\u6210\u7acb\u3059\u308b\u6761\u4ef6\u306f\u300c\u7cfb\u306b\u5185\u529b\u306e\u307f\u304c\u4f5c\u7528\u3059\u308b\u300d\uff08\u7cfb\u306b\u5916\u529b\u304c\u4f5c\u7528\u3057\u306a\u3044\u3053\u3068\uff09\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u529b\u5b66\u7684\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u4fdd\u5b58\u3055\u308c\u308b\u6761\u4ef6\u306f\uff0c\u300c\u975e\u4fdd\u5b58\u529b\u304c\u4ed5\u4e8b\u3092\u3057\u306a\u3044\u300d\u3067\u3057\u305f\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>\u3053\u306e2\u3064\uff0c\u975e\u5e38\u306b\u6df7\u3056\u308a\u3084\u3059\u3044\u306e\u3067\u3057\u3063\u304b\u308a\u3068\u533a\u5225\u3057\u3066\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u300c\u7cfb\u306b\u5916\u529b\u304c\u4ed5\u4e8b\u3092\u3057\u306a\u3044\u300d\u3084\u300c\u975e\u4fdd\u5b58\u529b\u304c\u4f5c\u7528\u3057\u306a\u3044\u300d\u3068\u3044\u3063\u305f\uff0c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u8ff7\u8a00\u3092\u751f\u307f\u51fa\u3055\u306a\u3044\u3088\u3046\u306b\u304f\u308c\u3050\u308c\u3082\u6c17\u3092\u3064\u3051\u3066\u304f\u3060\u3055\u3044\uff01<\/p>\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>$x$ \u8ef8\u4e0a\u3092\uff0c\u8cea\u91cf\u304c $3.0\\kg$ \u306e\u5c0f\u7403A\u3068\uff0c\u8cea\u91cf\u304c $4.0\\kg$ \u306e\u5c0f\u7403B\u304c\u904b\u52d5\u3057\u3066\u3044\u308b\u3002\u306f\u3058\u3081\uff0c\u5c0f\u7403A\u306e\u901f\u5ea6\u306f $6.0\\ms$\uff0c\u5c0f\u7403B\u306e\u901f\u5ea6\u306f$-2.0\\ms$ \u3067\u3042\u3063\u305f\u3002\u885d\u7a81\u5f8c\u306e\u5c0f\u7403B\u306e\u901f\u5ea6\u304c $1.0\\ms$ \u3067\u3042\u308b\u3068\u304d\uff0c\u885d\u7a81\u5f8c\u306e\u5c0f\u7403A\u306e\u901f\u5ea6\u3092\u6c42\u3081\u3088\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u300c\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3060\uff01\u300d\u3068\u3044\u3046\u70b9\u306f\u6c17\u4ed8\u304d\u3084\u3059\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><span class=\"st-mymarker-s\">\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u7acb\u5f0f\u3059\u308b\u969b\u306e\u30dd\u30a4\u30f3\u30c8\u306f\uff0c\u300c\u7c21\u6613\u7684\u3067\u3088\u3044\u306e\u3067\u5fc5\u305a\u56f3\u3092\u304b\u304f\u3053\u3068\u300d<\/span>\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>\u3053\u306e\u969b\uff0c\u901f\u5ea6\u306f\u7b26\u53f7\u4ed8\u304d\u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u7b26\u53f7\u4ed8\u304d\u3067\u8868\u73fe\u3057\uff0c\u6b63\u306e\u5411\u304d\u306b\u63c3\u3048\u3066\u901f\u5ea6\u3092\u304b\u304f\u3068\u4fbf\u5229\u3067\u3059\u3002<\/p>\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<p>\u6c42\u3081\u308b\u901f\u5ea6\u3092 $v$ \u3068\u3059\u308b\u3068\uff0c\u885d\u7a81\u524d\u5f8c\u306e\u904b\u52d5\u306e\u69d8\u5b50\u306f\u56f3\u306e\u901a\u308a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"331\" height=\"71\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406476.svg\" alt=\"\" class=\"wp-image-4317\"\/><noscript><img decoding=\"async\" width=\"331\" height=\"71\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406476.svg\" alt=\"\" class=\"wp-image-4317\"\/><\/noscript><\/figure>\n\n\n\n<p>\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3088\u308a\uff0c<\/p>\n\n\n\n<p>$$3.0\\times6.0+4.0\\times(-2.0)=3.0\\times v+4.0\\times1.0$$<\/p>\n\n\n\n<p>\u3053\u308c\u3092\u89e3\u3044\u3066\uff0c<\/p>\n\n\n\n<p>$$v=2.0\\ms$$<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u8003\u3048\u308b\u72b6\u6cc1<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3044\u3064\u7acb\u3066\u308b\uff1f<\/h3>\n\n\n\n<p>\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u306e\u3088\u3046\u306b\uff0c\u904b\u52d5\u65b9\u7a0b\u5f0f\u304c\u89e3\u3051\u308b\u5834\u5408\u306b\u306f\u305d\u3082\u305d\u3082\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u7acb\u3066\u3088\u3046\u3068\u601d\u3044\u307e\u305b\u3093\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u554f\u984c\u3092\u89e3\u304f\u969b\u306b\uff0c\u300c\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u7acb\u3066\u3088\u3046\uff01\u300d\u3068\u8003\u3048\u308b\u72b6\u6cc1\u306f\uff0c<span class=\"st-mymarker-s\">\u885d\u7a81\u30fb\u5206\u88c2\u30fb\u5408\u4f53<\/span>\u306e3\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u546a\u6587\u306e\u3088\u3046\u306b\u4f55\u5ea6\u3082\u5531\u3048\u3066\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\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>\u885d\u7a81\u30fb\u5206\u88c2\u30fb\u5408\u4f53\u3067\u306f\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\uff01\uff01<\/p>\n<\/div><\/div><\/div><div class=\"st-kaiwa-face2\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u5b66\u7fd2\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\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\">\u885d\u7a81\u30fb\u5206\u88c2\u30fb\u5408\u4f53\u306e\u3044\u305a\u308c\u306e\u72b6\u6cc1\u3067\u3082\uff0c2\u7269\u4f53\u306b\u306f\u5185\u529b\u306e\u307f\u304c\u4f5c\u7528\u3059\u308b\u305f\u3081\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\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>\u4ee5\u4e0b\u306e\u305d\u308c\u305e\u308c\u306e\u72b6\u6cc1\u306b\u3064\u3044\u3066\uff0c\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u7acb\u5f0f\u305b\u3088\u3002<\/p>\n\n\n\n<p class=\"setumonnkakko\">\u6469\u64e6\u306e\u306a\u3044\u6c37\u9762\u4e0a\u306b\u8cea\u91cf\u304c $M$ \u306e\u5927\u4eba\u304c\u9759\u6b62\u3057\u3066\u3044\u308b\u3002\u901f\u5ea6 $v$ \u3067\u6ed1\u3063\u3066\u3044\u308b\u8cea\u91cf $m$ \u306e\u5b50\u3069\u3082\u304c\u5927\u4eba\u306b\u98db\u3073\u4e57\u3063\u3066\u5408\u4f53\u3057\u305f\u7d50\u679c\uff0c\u5927\u4eba\u3068\u5b50\u3069\u3082\u306f\u4e00\u4f53\u3068\u306a\u3063\u3066\u901f\u5ea6 $V$ \u3067\u904b\u52d5\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"setumonnkakko\">\u6c34\u9762\u306b\u6d6e\u304b\u3076\u8cea\u91cf\u304c $M$ \u306e\u8239\u306e\u4e0a\u306b\uff0c\u8cea\u91cf\u304c $m$ \u306e\u5b50\u3069\u3082\u304c\u4e57\u3063\u3066\u9759\u6b62\u3057\u3066\u3044\u308b\u3002\u5b50\u3069\u3082\u304c\u8239\u304b\u3089\u901f\u3055 $v$ \u3067\u98db\u3073\u964d\u308a\u308b\u3068\uff0c\u8239\u306f\u53cd\u5bfe\u5411\u304d\u306b $V$ \u306e\u901f\u3055\u3067\u79fb\u52d5\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"308\" height=\"109\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406477.svg\" alt=\"\" class=\"wp-image-4318\" title=\"\"\/><noscript><img decoding=\"async\" width=\"308\" height=\"109\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406477.svg\" alt=\"\" class=\"wp-image-4318\" title=\"\"\/><\/noscript><\/figure>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\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>\u5408\u4f53\u306e\u524d\u5f8c\u306e\u69d8\u5b50\u306f\u6b21\u56f3\u306e\u901a\u308a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"335\" height=\"115\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406478.svg\" alt=\"\" class=\"wp-image-4319\"\/><noscript><img decoding=\"async\" width=\"335\" height=\"115\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406478.svg\" alt=\"\" class=\"wp-image-4319\"\/><\/noscript><\/figure>\n\n\n\n<p>\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3088\u308a\uff0c<\/p>\n\n\n\n<p>$$mv+M\\cdot0=(m+M)V$$<\/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>\u5206\u88c2\u306e\u524d\u5f8c\u306e\u69d8\u5b50\u306f\u6b21\u56f3\u306e\u901a\u308a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"353\" height=\"98\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406479.svg\" alt=\"\" class=\"wp-image-4320\"\/><noscript><img decoding=\"async\" width=\"353\" height=\"98\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406479.svg\" alt=\"\" class=\"wp-image-4320\"\/><\/noscript><\/figure>\n\n\n\n<p>\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3088\u308a\uff0c<\/p>\n\n\n\n<p>$$m\\cdot0+M\\cdot0=mv+M\\cdot(-V)$$<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-3\">\u5e73\u9762\u904b\u52d5\u306b\u304a\u3051\u308b\u904b\u52d5\u91cf\u4fdd\u5b58\u5247<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2\u6b21\u5143\u7a7a\u9593\u3067\u306e\u8b70\u8ad6<\/h3>\n\n\n\n<p>2\u6b21\u5143\u7a7a\u9593\u5185\u3067\u885d\u7a81\u304c\u8d77\u3053\u308b\u5834\u5408\u3082\u540c\u69d8\u306b\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u304c\u6210\u7acb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6210\u7acb\u6761\u4ef6\u306f\u3084\u306f\u308a\u300c\u7cfb\u306b\u5916\u529b\u304c\u4f5c\u7528\u3057\u306a\u3044\u3053\u3068\u300d\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>2\u6b21\u5143\u3067\u3059\u306e\u3067\uff0c\u901f\u5ea6\u306f\u30d9\u30af\u30c8\u30eb\u3092\u7528\u3044\u3066\u8868\u73fe\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>2\u7269\u4f53\u306e\u885d\u7a81\u3067\u3042\u308c\u3070\uff0c<\/p>\n\n\n\n<p>$$m_1\\vec{v_1}+m_2\\vec{v_2}=m_1\\vec{v_1\\mskip 1mu\\prime }+m_2\\vec{v_2\\mskip 1mu\\prime }$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u30d9\u30af\u30c8\u30eb\u306e\u548c\u306e\u4fdd\u5b58\u306a\u3093\u3066\u3084\u3084\u3053\u3057\u3044\uff01\u300d\u3068\u3044\u3046\u58f0\u304c\u805e\u3053\u3048\u3066\u304d\u305d\u3046\u3067\u3059\u304c\uff0c<span class=\"st-mymarker-s-b\">\u7d50\u5c40\u306f2\u65b9\u5411\u306b\u5206\u89e3\u3057\u3066\uff0c\u305d\u308c\u305e\u308c\u306e\u65b9\u5411\u3067\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u7acb\u3066\u3066\u3057\u307e\u3048\u3070\u3088\u3044<\/span>\u3053\u3068\u304c\u591a\u3044\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>2\u6b21\u5143\u7a7a\u9593\u3067\u306e\u904b\u52d5\u91cf\u4fdd\u5b58\u5247<\/p><div class=\"st-in-mybox\">\n<p>2\u7269\u4f53\u306b\u5185\u529b\u306e\u307f\u304c\u4f5c\u7528\u3059\u308b\u3068\u304d\uff0c\u904b\u52d5\u91cf\u306e\u548c\u304c\u4fdd\u5b58\u3055\u308c\u308b\u3002\u3059\u306a\u308f\u3061\uff0c<\/p>\n\n\n\n<p>$$m_1\\vec{v_1}+m_2\\vec{v_2}=m_1\\vec{v_1\\mskip 1mu\\prime }+m_2\\vec{v_2\\mskip 1mu\\prime }$$\u304c\u6210\u7acb\u3059\u308b\u3002<\/p>\n\n\n\n<p>\u554f\u984c\u3092\u89e3\u304f\u969b\u306b\u306f\uff0c2\u65b9\u5411\u306b\u5206\u89e3\u3057\u3066\uff0c\u305d\u308c\u305e\u308c\u306e\u65b9\u5411\u3067\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u7acb\u5f0f\u3059\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u8a00\u8449\u3067\u8868\u73fe\u3057\u3066\u3082\u4f1d\u308f\u308a\u3065\u3089\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\uff0c\u4f8b\u984c\u3092\u901a\u3058\u3066\u554f\u984c\u306e\u89e3\u304d\u65b9\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\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>$xy$ \u5e73\u9762\u5185\u306b\u304a\u3044\u3066\uff0c\u8cea\u91cf\u304c $m$ \u306e\u5c0f\u74032\u304c\u9759\u6b62\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u5c0f\u7403\u306b\uff0c$(v_0,\\,0)$ \u306e\u901f\u5ea6\u3067\u8cea\u91cf\u304c $\\Bun13m$ \u306e\u5c0f\u74031\u304c\u885d\u7a81\u3057\u305f\u3002\u885d\u7a81\u5f8c\uff0c\u5c0f\u74031\u306f $x$ \u8ef8\u304b\u3089\u6e2c\u3063\u3066 $\\theta$ \u306e\u65b9\u5411\u3078\u901f\u3055 $V$ \u3067\u904b\u52d5\u3057\uff0c\u5c0f\u74032\u306f $-60\\Deg$ \u306e\u65b9\u5411\u306b $\\Bun12v_0$ \u306e\u901f\u3055\u3067\u904b\u52d5\u3057\u305f\u3002\u4ee5\u4e0b\u306e\u554f\u3044\u306b\u7b54\u3048\u3088\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"314\" height=\"139\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406480.svg\" alt=\"\" class=\"wp-image-4321\"\/><noscript><img decoding=\"async\" width=\"314\" height=\"139\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406480.svg\" alt=\"\" class=\"wp-image-4321\"\/><\/noscript><\/figure>\n\n\n\n<p class=\"setumonnkakko\">$\\tan\\theta$ \u3092\u6c42\u3081\u3088\u3002<\/p>\n\n\n\n<p class=\"setumonnkakko\">$V$ \u306e\u5024\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\"><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>\u885d\u7a81\u5f8c\u306e\u5c0f\u74031\u306e\u901f\u5ea6\u306f $\\left(V\\cos\\theta,\\,V\\sin\\theta\\right)$\uff0c\u5c0f\u74032\u306e\u901f\u5ea6\u306f $\\left(\\bun14v_0,\\,-\\bun{\\sqrt3}{4}v_0\\right)$ \u3068\u304b\u3051\u308b\u3002<\/p>\n\n\n\n<p>$x$ \u8ef8\u65b9\u5411\u306e\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3088\u308a\uff0c<\/p>\n\n\n\n<p>$$\\bun13mv_0=\\bun13mV\\cos\\theta+\\bun14mv_0$$<\/p>\n\n\n\n<p>$y$ \u8ef8\u65b9\u5411\u306e\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3088\u308a\uff0c<\/p>\n\n\n\n<p>$$0=\\bun13mV\\sin\\theta-\\bun{\\sqrt3}{4}mv_0$$<\/p>\n\n\n\n<p>2\u5f0f\u3092\u6574\u7406\u3057\u3066\uff0c<\/p>\n\n\n\n<p>$$\\begin{array}{l}V\\sin\\theta=\\bun{3\\sqrt3}{4}v_0\\stext{\\quad\u2026\u2026\\ \u2460}\\\\V\\cos\\theta=\\bun14v_0\\stext{\\quad\u2026\u2026\\ \u2461}\\end{array}$$<\/p>\n\n\n\n<p>\u8fba\u3005\u5272\u308b\u3053\u3068\u3067\uff0c$\\tan\\theta=3\\sqrt3$ \u3092\u5f97\u308b\u3002<\/p>\n<\/div><\/div>\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>\u2460\uff0c\u2461 \u306e\u4e21\u8fba\u30922\u4e57\u3057\u3066\u8db3\u3057\u5408\u308f\u305b\u308b\u3068\uff0c<\/p>\n\n\n\n<p>$$V^2(\\sin^2\\theta+\\cos^2\\theta)=\\left(\\bun{3\\sqrt3}{4}v_0\\right)^2+\\left(\\bun14v_0\\right)^2$$<\/p>\n\n\n\n<p>$\\sin^2\\theta+\\cos^2\\theta=1$ \u3067\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\uff0c<br>$$\\begin{aligned} V^2=\\bun74v_0\\!^2\\qquad\\therefore\\quad V=\\bun{\\sqrt7}{2}v_0 \\end{aligned}$$<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d9\u30af\u30c8\u30eb\u306e\u56f3\u3067\u8003\u3048\u308b<\/h3>\n\n\n\n<p>\u3055\u3066\uff0c2\u65b9\u5411\u306b\u5206\u89e3\u3059\u308b\u65b9\u6cd5\u3067\u3082\u4e0a\u306e\u3088\u3046\u306b\u30b9\u30e0\u30fc\u30ba\u306b\u89e3\u3051\u308b\u306e\u3067\u3059\u304c\uff0c\u30d9\u30af\u30c8\u30eb\u306e\u95a2\u4fc2\u5f0f\u306e\u307e\u307e\u89e3\u304f\u3068\u3044\u3046\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>$$m_1\\vec{v_1}+m_2\\vec{v_2}=m_1\\vec{v_1\\mskip 1mu\\prime }+m_2\\vec{v_2\\mskip 1mu\\prime }$$\u3068\u3044\u3046\u30d9\u30af\u30c8\u30eb\u306e\u95a2\u4fc2\u5f0f\u306e\u307e\u307e\u8003\u3048\u3066\u3044\u304d\u305f\u3044\u306e\u3067\uff0c\u307e\u305a\u306f\u885d\u7a81\u524d\u5f8c\u306e\u5404\u5c0f\u7403\u306e\u904b\u52d5\u91cf\u3092\u30d9\u30af\u30c8\u30eb\u306e\u56f3\u3067\u6574\u7406\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"294\" height=\"127\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406481.svg\" alt=\"\" class=\"wp-image-4322\"\/><noscript><img decoding=\"async\" width=\"294\" height=\"127\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406481.svg\" alt=\"\" class=\"wp-image-4322\"\/><\/noscript><\/figure>\n\n\n\n<p>\u885d\u7a81\u524d\u306e\u904b\u52d5\u91cf\u306e\u548c\u306f $\\vec{p_1}+\\vec{0}=\\vec{p_1}$\uff0c\u885d\u7a81\u5f8c\u306e\u904b\u52d5\u91cf\u306e\u548c\u306f $\\vec{p_1\\mskip 1mu\\prime }+\\vec{p_2\\mskip 1mu\\prime }$ \u3068\u306a\u308b\u306e\u3067\uff0c\u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u306f\uff0c<\/p>\n\n\n\n<p>$$\\vec{p_1}=\\vec{p_1\\mskip 1mu\\prime }+\\vec{p_2\\mskip 1mu\\prime }$$\u3068\u3044\u3046\u5f62\u3067\u8868\u73fe\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3053\u306e\u95a2\u4fc2\u30921\u3064\u306e\u56f3\u306b\u307e\u3068\u3081\u308b\u3068\uff0c\u5de6\u306e\u56f3\u306e\u5e73\u884c\u56db\u8fba\u5f62\u304c\u3067\u304d\u3042\u304c\u308a\u307e\u3059\u3002\u305d\u308c\u3092\u3055\u3089\u306b\u66f8\u304d\u63db\u3048\u305f\u306e\u304c\uff0c\u53f3\u306e\u4e09\u89d2\u5f62\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"367\" height=\"168\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406482.svg\" alt=\"\" class=\"wp-image-4323\"\/><noscript><img decoding=\"async\" width=\"367\" height=\"168\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406482.svg\" alt=\"\" class=\"wp-image-4323\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e\u4e09\u89d2\u5f62\u306b\u304a\u3051\u308b\u4f59\u5f26\u5b9a\u7406\u304b\u3089\uff0c<\/p>\n\n\n\n<p>$$\\left(\\bun13mV\\right)^2=\\left(\\bun12mv_0\\right)^2+\\left(\\bun13mv_0\\right)^2-2\\cdot\\bun12mv_0\\cdot\\Bun13mv_0\\cos60\\Deg$$\u3068\u7acb\u5f0f\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u6574\u7406\u3059\u308b\u3053\u3068\u3067\uff0c<\/p>\n\n\n\n<p>$$V=\\bun{\\sqrt7}{2}v_0$$\u304c\u5f97\u3089\u308c\u307e\u3059\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 2\u7269\u4f53\u306e\u885d\u7a812 \u904b\u52d5\u91cf\u304c\u4fdd\u5b58\u3059\u308b\u6761\u4ef63 \u904b\u52d5\u91cf\u4fdd\u5b58\u5247\u3092\u8003\u3048\u308b\u72b6\u6cc14 \u5e73\u9762\u904b\u52d5\u306b\u304a\u3051\u308b\u904b\u52d5\u91cf\u4fdd\u5b58\u5247 2\u7269\u4f53\u306e\u885d\u7a81 \u885d\u7a81\u306e\u8003\u3048\u65b9 \u76f4\u7dda\u4e0a\u30672\u7269\u4f53\u304c\u885d\u7a81\u3059\u308b\u72b6\u6cc1\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002 \u904b\u52d5\u65b9\u7a0b\u5f0f\u3092\u7acb\u3066 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":4359,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,39],"tags":[],"class_list":["post-4315","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\/4315"}],"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=4315"}],"version-history":[{"count":21,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4315\/revisions"}],"predecessor-version":[{"id":4358,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/4315\/revisions\/4358"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/4359"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}