{"id":6919,"date":"2025-03-26T13:41:24","date_gmt":"2025-03-26T04:41:24","guid":{"rendered":"https:\/\/torisetudy.com\/?p=6919"},"modified":"2025-03-26T13:41:28","modified_gmt":"2025-03-26T04:41:28","slug":"%e9%81%8e%e6%b8%a1%e7%8f%be%e8%b1%a1%e3%81%a8%e9%80%a3%e7%b6%9a%e6%96%b9%e7%a8%8b%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=6919","title":{"rendered":"\u904e\u6e21\u73fe\u8c61\u3068\u9023\u7d9a\u65b9\u7a0b\u5f0f"},"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> \u5145\u96fb\u306b\u3064\u3044\u3066<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u306e\u5927\u539f\u5247<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u904e\u6e21\u73fe\u8c61\u306b\u3064\u3044\u3066<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u9023\u7d9a\u65b9\u7a0b\u5f0f<\/a><\/li><li><a href=\"#i-5\"><span class=\"toc_number toc_depth_1\">5<\/span> \u518d\u3073\u904e\u6e21\u73fe\u8c61<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u5145\u96fb\u306b\u3064\u3044\u3066<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5145\u96fb<\/h3>\n\n\n\n<p>\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30d1\u30bd\u30b3\u30f3\u306a\u3069\u306e\u96fb\u5b50\u6a5f\u5668\u306e\u5145\u96fb\u3092\u3057\u305f\u7d4c\u9a13\u306f\u8ab0\u3057\u3082\u3042\u308b\u3067\u3057\u3087\u3046\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>\u305d\u3093\u306a\u5145\u96fb\u306b\u3064\u3044\u3066\u5c11\u3057\u8003\u3048\u3066\u307f\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u5145\u96fb\u304c\u306a\u304f\u306a\u3063\u305f\u3089\uff0c\u5145\u96fb\u5668\u3092\u3064\u306a\u3044\u3067\u5145\u96fb\u3057\u307e\u3059\u3088\u306d\u3002\u5145\u96fb\u5668\u3092\u3064\u306a\u3050\u3068\u96fb\u6d41\u304c\u6d41\u308c\u3066\uff0c\u5f90\u3005\u306b\u5145\u96fb\u3055\u308c\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8fd1\u5e74\u306e\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306f\u5145\u96fb\u306e\u30b9\u30d4\u30fc\u30c9\u304c\u4e0a\u304c\u3063\u3066\u3044\u307e\u3059\u304c\uff0c\u305d\u3046\u306f\u8a00\u3063\u3066\u3082\u3059\u3050\u306b\u306f\u7d42\u308f\u308a\u307e\u305b\u3093\u3088\u306d\u2026\uff1f<\/p>\n\n\n\n<p>\u300c\u5bdd\u308b\u3068\u304d\u306b\u5145\u96fb\u3057\u5fd8\u308c\u305f\u304b\u3089 $3$\uff05\u3057\u304b\u5145\u96fb\u6b8b\u3063\u3066\u306a\u3044\u3051\u3069\uff0c$3$ \u79d2\u5145\u96fb\u3057\u305f\u3089\u30d5\u30eb\u5145\u96fb\u3067\u304d\u308b\u304b\u3089\u3044\u3063\u304b\uff01\u300d\u306a\u3093\u3066\u3044\u3046\u7d20\u6575\u306a\u4e16\u306e\u4e2d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3082\u540c\u3058<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u306e\u3053\u3068\u304c\u3044\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306f\uff0c\u6975\u677f\u306b\u96fb\u8377\u3092\u84c4\u3048\u308b\u5f79\u5272\u3092\u6301\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u96fb\u6c60\u306b\u3064\u306a\u3052\u3070\u5145\u96fb\u3055\u308c\u308b\uff08\u96fb\u8377\u304c\u84c4\u3048\u3089\u308c\u308b\uff09\u3057\uff0c\u62b5\u6297\u306b\u3064\u306a\u3052\u3070\u653e\u96fb\u3059\u308b\uff08\u84c4\u3048\u3089\u308c\u3066\u3044\u305f\u96fb\u8377\u3092\u96fb\u6d41\u3068\u3057\u3066\u6d41\u3059\uff09\u306e\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5145\u96fb\u3059\u308b\u969b\u306b\u306f\u96fb\u6d41\u304c\u6d41\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\uff0c\u6642\u9593\u3092\u304b\u3051\u3066\u5145\u96fb\u3082\u884c\u308f\u308c\u307e\u3059\u3002\u3064\u307e\u308a\uff0c\u300c\u5145\u96fb\u306e\u904e\u7a0b\u300d\u306b\u3064\u3044\u3066\u3082\u8003\u3048\u306a\u3044\u3068\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u5145\u96fb\u3059\u308b\u9593\u306e\u6642\u9593\u7d4c\u904e\u3067\uff0c\u56de\u8def\u306e\u69d8\u5b50\u304c\u5909\u5316\u3059\u308b\u73fe\u8c61\u3092<span class=\"st-mymarker-s-b\">\u904e\u6e21\u73fe\u8c61<\/span>\u3068\u547c\u3073\u307e\u3059\u3002\u3053\u306e\u904e\u6e21\u73fe\u8c61\u306b\u3064\u3044\u3066\uff0c\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u306e\u5927\u539f\u5247<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u9023\u7d9a\u7684\u306a\u5909\u5316<\/h3>\n\n\n\n<p>\u5145\u96fb\u306f\u6642\u9593\u3092\u304b\u3051\u3066\u5f90\u3005\u306b\u9032\u307f\u307e\u3059\u3002\u5145\u96fb\u304c\u4e00\u77ac\u3067\u7d42\u308f\u308b\u3053\u3068\u3082\u306a\u3051\u308c\u3070\uff0c\u9014\u4e2d\u3067\u4e0d\u9023\u7d9a\u306b\u9032\u3080\u3053\u3068\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u5e38\u306b\u5145\u96fb\u91cf\u306f\u9023\u7d9a\u7684\u306b\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3068\u540c\u3058\u3067\uff0c\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u5145\u96fb\u306e\u904e\u7a0b\u306b\u304a\u3044\u3066\uff0c<span class=\"st-mymarker-s\">\u84c4\u3048\u3089\u308c\u3066\u3044\u308b\u96fb\u8377 $Q$ \u306f\u5fc5\u305a\u9023\u7d9a\u7684\u306b\u5909\u5316\u3057\u307e\u3059<\/span>\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\u308c\uff0c\u5f53\u305f\u308a\u524d\u306e\u3053\u3068\u306a\u306e\u3067\u3059\u304c\u3068\u3063\u3066\u3082\u91cd\u8981\u3067\u3059\uff01\u3057\u3063\u304b\u308a\u3068\u982d\u306b\u5165\u308c\u3066\u3053\u3053\u304b\u3089\u5148\u306e\u5185\u5bb9\u3092\u8aad\u307f\u9032\u3081\u3066\u4e0b\u3055\u3044\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-3\">\u904e\u6e21\u73fe\u8c61\u306b\u3064\u3044\u3066<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5177\u4f53\u7684\u306a\u56de\u8def\u3067<\/h3>\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>\u3067\u306f\u5b9f\u969b\u306b\u5145\u96fb\u306e\u904e\u7a0b\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u6b21\u56f3\u306e\u3088\u3046\u306b\uff0c\u8d77\u96fb\u529b $E$ \u306e\u96fb\u6c60 $\\rmE$\uff0c\u62b5\u6297\u5024 $R$ \u306e\u62b5\u6297 $\\rmR$\uff0c\u96fb\u6c17\u5bb9\u91cf $C$ \u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc $\\rmC$ \u304a\u3088\u3073\u30b9\u30a4\u30c3\u30c1\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"148\" height=\"124\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406915.svg\" alt=\"\u7269\u7406915\" class=\"wp-image-6597\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"124\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406915.svg\" alt=\"\u7269\u7406915\" class=\"wp-image-6597\"\/><\/noscript><\/figure>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u5de6\u5074\u306e\u6975\u677f\u304c\u84c4\u3048\u308b\u96fb\u6c17\u91cf\u3092 $Q$\uff0c\u62b5\u6297\u3092\u53f3\u5411\u304d\u306b\u6d41\u308c\u308b\u96fb\u6d41\u3092 $I$ \u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u306f\u3082\u3068\u3082\u3068\u96fb\u8377\u304c\u84c4\u3048\u3089\u308c\u3066\u3044\u306a\u3044\u3082\u306e\u3068\u3057\uff0c\u30b9\u30a4\u30c3\u30c1\u3092 $\\mathrm{b}$ \u304b\u3089 $\\mathrm{a}$ \u306b\u5207\u308a\u66ff\u3048\u305f\u6642\u523b\u3092 $t=0$ \u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u30b9\u30a4\u30c3\u30c1\u3092\u5207\u308a\u66ff\u3048\u305f\u76f4\u5f8c<\/h3>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon3 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u308f\u304b\u308b\u60c5\u5831\u304b\u3089\u56de\u8def\u56f3\u306b\u304b\u304d\u8fbc\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\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\u6319\u624b\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u6319\u624b\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u4eca\u56de\u771f\u3063\u5148\u306b\u6ce8\u76ee\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u306f\uff0c\u300c$Q$ \u306f\u9023\u7d9a\u7684\u306b\u5909\u5316\u3059\u308b\u300d\u3067\u3059\uff01<\/p>\n\n\n\n<p>\u5145\u96fb\u304c\u306a\u304f\u306a\u3063\u305f\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306b\u5145\u96fb\u5668\u3092\u7e4b\u3044\u3060\u76f4\u5f8c\uff0c\u96fb\u6c60\u306e\u6b8b\u91cf\u306f\u307e\u3060\u30bc\u30ed\u306e\u307e\u307e\u3067\u3059\u3088\u306d\u2026\uff1f\u4e0d\u9023\u7d9a\u306b\u4e00\u6c17\u306b\u5145\u96fb\u304c\u9032\u3080\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093!!<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\uff0c$Q$ \u304c\u76f4\u524d\u3068\u540c\u3058\uff0c\u3064\u307e\u308a $0$ \u3067\u3042\u308b\u3053\u3068\u304c\u76f4\u3061\u306b\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u96fb\u5727\u306f $V=\\Bun{Q}{C}$ \u3067\u3059\u306e\u3067\uff0c\u96fb\u5727\u3082 $0$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u6642\u70b9\u3067\u5206\u304b\u308b\u60c5\u5831\u3092\u304b\u304d\u8fbc\u3093\u3060\u56de\u8def\u56f3\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"148\" height=\"130\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406917.svg\" alt=\"\u7269\u7406917\" class=\"wp-image-6599\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"130\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406917.svg\" alt=\"\u7269\u7406917\" class=\"wp-image-6599\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u308c\u3088\u308a\uff0c\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u3092\u6210\u308a\u7acb\u305f\u305b\u308b\u305f\u3081\u306b\u306f\uff0c\u62b5\u6297 $\\rmR$ \u306b\u96fb\u5727\u304c\u5fc5\u8981\u306a\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3057\u3066\uff0c\u3053\u306e\u96fb\u5727\u306f\u96fb\u6c60\u306e\u8d77\u96fb\u529b\u3068\u540c\u3058 $V$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u96fb\u5727\u306e\u5411\u304d\u306b\u6ce8\u610f\u3059\u308b\u3068\uff0c\u96fb\u6d41\u306f\u6b63\u306e\u5411\u304d\u306b\u6d41\u308c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"148\" height=\"130\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406918.svg\" alt=\"\u7269\u7406918\" class=\"wp-image-6600\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"130\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406918.svg\" alt=\"\u7269\u7406918\" class=\"wp-image-6600\"\/><\/noscript><\/figure>\n\n\n\n<p>\u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u304b\u3089\uff0c<br>$$V=RI\\qquad\\therefore \\quad I=\\Bun{V}{R}$$\u304c\u5f97\u3089\u308c\uff0c\u96fb\u6d41\u306e\u5024\u304c\u6c42\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u30b9\u30a4\u30c3\u30c1\u3092\u5207\u308a\u66ff\u3048\u305f\u76f4\u5f8c\u306e\u56de\u8def\u306e\u69d8\u5b50\u306b\u3064\u3044\u3066\u8003\u3048\u308b\u624b\u9806\u3067\u3059\uff01<\/p>\n\n\n\n    <div class=\"wp-block-st-blocks-point-box st-point-box has-title post-hashiro-point\" style=\"\n        background-color:#fff; \n        border: 2px solid #ff7f50; \n        padding: 0px 18px; \n        border-radius: 4pt; \n        position: relative;\">\n        \n        <p class=\"st-mybox-title\" style=\"\n            position: absolute; \n            top: -12px; \n            left: 12px; \n            background-color: #fff; \n            padding: 0 10px; \n            color: #ff7f50; \n            font-weight: bold; \n            font-size: 15px; \n            line-height: 1.5; \n            text-decoration: none;\n            margin-bottom: 20px; \n            display: flex; \n            align-items: center; \n            gap: 5px;\">\n            <i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"true\"><\/i> \u30b9\u30a4\u30c3\u30c1\u64cd\u4f5c\u306e\u76f4\u5f8c\n        <\/p>\n\n        <div class=\"st-in-point-box\" style=\"\n            margin-top: 0px; \n            margin-bottom: 0px;\n            padding-top: 0px;\n            padding-bottom: 30px;\">\n            <p style=\"margin-bottom: -10px !important;\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u84c4\u3048\u3089\u308c\u308b\u96fb\u8377\u306f\u9023\u7d9a\u7684\u306b\u5909\u5316\u3059\u308b\u305f\u3081\uff0c\u30b9\u30a4\u30c3\u30c1\u64cd\u4f5c\u306e\u76f4\u524d\u3068\u7b49\u3057\u3044\u3002\u7279\u306b\uff0c\u3082\u3068\u3082\u3068\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u96fb\u8377\u304c\u84c4\u3048\u3089\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u306f\uff0c\u30b9\u30a4\u30c3\u30c1\u64cd\u4f5c\u306e\u76f4\u5f8c\u3082\u96fb\u8377\u306f $0$ \u3067\u3042\u308a\uff0c$V=0$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308b\u3002<\/p><\/p><p style=\"margin-bottom: -10px !important;\"><p>\u4ee5\u4e0a\u3092\u8e0f\u307e\u3048\u3066\uff0c\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u6cd5\u5247\u3092\u7528\u3044\u3066\u56de\u8def\u306e\u89e3\u6790\u3092\u884c\u3046\u3002<\/p>\n        <\/div>\n    <\/div>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u5909\u5316\u306e\u904e\u7a0b<\/h3>\n\n\n\n<p>\u5145\u96fb\u4e2d\u306e\u4e00\u822c\u7684\u306a\u72b6\u6cc1\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u56de\u8def\u306e\u69d8\u5b50\u306f\u6b21\u56f3\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"148\" height=\"132\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406916.svg\" alt=\"\u7269\u7406916\" class=\"wp-image-6598\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"132\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406916.svg\" alt=\"\u7269\u7406916\" class=\"wp-image-6598\"\/><\/noscript><\/figure>\n\n\n\n<p>\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u304b\u3089\uff0c<br>$$E=\\bun{Q}{C}+RI$$\u304c\u6210\u7acb\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\uff0c\u5f0f\u4e2d\u306b $Q$ \u3068 $I$ \u3068\u3044\u30462\u3064\u306e\u672a\u77e5\u6570\u3092\u542b\u3093\u3067\u3044\u308b\u305f\u3081\uff0c\u3053\u3061\u3089\u306e\u5f0f\u306e\u307f\u3067\u306f\u89e3\u6790\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u4ed6\u306b\u6210\u7acb\u3059\u308b\u5f0f\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u2026\uff1f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-4\">\u9023\u7d9a\u65b9\u7a0b\u5f0f<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u6d41\u306e\u5b9a\u7fa9\u304b\u3089<\/h3>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u96fb\u8377 $Q$ \u3068\uff0c\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u6d41\u308c\u8fbc\u3080\u96fb\u6d41 $I$ \u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"111\" height=\"80\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406919.svg\" alt=\"\u7269\u7406919\" class=\"wp-image-6601\"\/><noscript><img decoding=\"async\" width=\"111\" height=\"80\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406919.svg\" alt=\"\u7269\u7406919\" class=\"wp-image-6601\"\/><\/noscript><\/figure>\n\n\n\n<p>\u96fb\u6d41\u306f\u300c\u5358\u4f4d\u6642\u9593\u3042\u305f\u308a\u306b\u901a\u904e\u3059\u308b\u96fb\u6c17\u91cf\u300d\u3092\u8868\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u6d41\u308c\u8fbc\u3080\u96fb\u6d41\u304c $I$ \u3068\u3044\u3046\u3053\u3068\u306f\uff0c\u5358\u4f4d\u6642\u9593\u3042\u305f\u308a\u306b\u96fb\u8377 $Q$ \u304c $I$ \u3060\u3051\u5897\u52a0\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u300c\u5358\u4f4d\u6642\u9593\u3042\u305f\u308a\u306e\u96fb\u8377 $Q$ \u306e\u5897\u52a0\u91cf\u300d\u306f\u3064\u307e\u308a\u300c$Q$ \u306e\u5909\u5316\u7387\u300d\u3067\u3059\u306e\u3067\uff0c$\\Bun{\\dQ}{\\dt}$ \u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u3068\u3044\u3046\u3053\u3068\u306f\uff0c<br>$$I=\\Bun{\\dQ}{\\dt}$$\u304c\u6210\u7acb\u3059\u308b\u308f\u3051\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>\u3053\u306e\u5f0f\u3092<span class=\"st-mymarker-s-b\">\u9023\u7d9a\u65b9\u7a0b\u5f0f<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n    <div class=\"wp-block-st-blocks-point-box st-point-box has-title post-hashiro-point\" style=\"\n        background-color:#fff; \n        border: 2px solid #ff7f50; \n        padding: 0px 18px; \n        border-radius: 4pt; \n        position: relative;\">\n        \n        <p class=\"st-mybox-title\" style=\"\n            position: absolute; \n            top: -12px; \n            left: 12px; \n            background-color: #fff; \n            padding: 0 10px; \n            color: #ff7f50; \n            font-weight: bold; \n            font-size: 15px; \n            line-height: 1.5; \n            text-decoration: none;\n            margin-bottom: 20px; \n            display: flex; \n            align-items: center; \n            gap: 5px;\">\n            <i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"true\"><\/i> \u9023\u7d9a\u65b9\u7a0b\u5f0f\n        <\/p>\n\n        <div class=\"st-in-point-box\" style=\"\n            margin-top: 0px; \n            margin-bottom: 0px;\n            padding-top: 0px;\n            padding-bottom: 30px;\">\n            <p style=\"margin-bottom: -10px !important;\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u304a\u3044\u3066\uff0c$+Q$ \u306e\u96fb\u8377\u3092\u84c4\u3048\u308b\u6975\u677f\u5074\u306b\u6d41\u308c\u8fbc\u3080\u96fb\u6d41\u3092 $I$ \u3068\u3059\u308b\u3068\u304d\uff0c<\/p><p style=\"margin-bottom: -10px !important;\">$$I=\\bun{\\dQ}{\\dt}$$<\/p><p style=\"margin-bottom: -10px !important;\">\u304c\u6210\u7acb\u3059\u308b\u3002<\/p><p style=\"margin-bottom: -10px !important;\"><figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"111\" height=\"80\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406919.svg\" alt=\"\u7269\u7406919\" class=\"wp-image-6601\"\/><noscript><img decoding=\"async\" width=\"111\" height=\"80\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406919.svg\" alt=\"\u7269\u7406919\" class=\"wp-image-6601\"\/><\/noscript><\/figure><\/p>\n        <\/div>\n    <\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>\u4f55\u3067\u3082\u304b\u3093\u3067\u3082 $I=\\Bun{\\dQ}{\\dt}$ \u3068\u7acb\u5f0f\u3059\u308c\u3070\u3088\u3044\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3067\u6c17\u3092\u3064\u3051\u3066\u4e0b\u3055\u3044\uff01<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"111\" height=\"80\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406920.svg\" alt=\"\u7269\u7406920\" class=\"wp-image-6602\"\/><noscript><img decoding=\"async\" width=\"111\" height=\"80\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406920.svg\" alt=\"\u7269\u7406920\" class=\"wp-image-6602\"\/><\/noscript><\/figure>\n\n\n\n<p>\u4e0a\u56f3\u306e\u3088\u3046\u306b\uff0c$+Q$ \u306e\u96fb\u8377\u304c\u84c4\u3048\u3089\u308c\u3066\u3044\u308b\u6975\u677f\u304b\u3089\u51fa\u3066\u3044\u304f\u5411\u304d\u306b\u96fb\u6d41\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\uff0c\u96fb\u6d41\u304c\u6d41\u308c\u305f\u5206\u3060\u3051\u96fb\u8377 $Q$ \u306f\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\uff0c\u96fb\u6d41 $I$ \u306f\u300c$Q$ \u306e\u6e1b\u5c11\u91cf\u300d\u3092\u8868\u3057\u3066\u3044\u308b\u305f\u3081\uff0c<br>$$I=-\\Bun{\\dQ}{\\dt}$$\u3068\u7acb\u5f0f\u3059\u308b\u306e\u304c\u6b63\u89e3\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u5fc5\u305a\u300c\u96fb\u6d41\u306e\u5411\u304d\u306f $+Q$ \u306e\u96fb\u8377\u304c\u84c4\u3048\u3089\u308c\u3066\u3044\u308b\u6975\u677f\u306b\u6d41\u308c\u8fbc\u3080\u5411\u304d\u306a\u306e\u304b\uff0c\u3042\u308b\u3044\u306f\u6975\u677f\u304b\u3089\u6d41\u308c\u51fa\u308b\u5411\u304d\u306a\u306e\u304b\u300d\u3092\u78ba\u8a8d\u3057\u3066\u7acb\u5f0f\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-5\">\u518d\u3073\u904e\u6e21\u73fe\u8c61<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u9023\u7d9a\u65b9\u7a0b\u5f0f\u3092\u8e0f\u307e\u3048\u3066<\/h3>\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>\u3055\u3066\uff0c\u9023\u7d9a\u65b9\u7a0b\u5f0f\u306e\u8a71\u3092\u8e0f\u307e\u3048\u3066\u904e\u6e21\u73fe\u8c61\u306b\u3064\u3044\u3066\u518d\u3073\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u5148\u307b\u3069\u7acb\u5f0f\u3057\u305f\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u306e\u5f0f\u3067\u3042\u308b\uff0c<br>$$E=\\bun{Q}{C}+RI$$\u306b\uff0c$I=\\Bun{\\dQ}{\\dt}$ \u3092\u4ee3\u5165\u3059\u308b\u3068\uff0c<br>$$E=\\bun{Q}{C}+R\\bun{\\dQ}{\\dt}$$\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f $I$ \u306b\u3064\u3044\u3066\u306e\u65b9\u7a0b\u5f0f\u3067\u3059\u304c\uff0c\u5fae\u5206\u3092\u542b\u3080\u5f62\uff08\u5fae\u5206\u65b9\u7a0b\u5f0f\uff09\u3068\u306a\u3063\u3066\u3044\u308b\u305f\u3081\uff0c\u9ad8\u6821\u6570\u5b66\u306e\u7bc4\u56f2\u3067\u306f\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u5b8c\u5168\u306b\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u306a\u304f\u3066\u3082\uff0c\u306a\u3093\u3068\u304b\u3057\u3066\u72b6\u6cc1\u3092\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7a7a\u6c17\u62b5\u6297\u3042\u308a\u3067\u306e\u843d\u4e0b\u904b\u52d5<\/h3>\n\n\n\n<p>\u305d\u3053\u3067\uff0c\u7a7a\u6c17\u62b5\u6297\u304c\u3042\u308b\u5834\u5408\u306e\u843d\u4e0b\u904b\u52d5\u306b\u3064\u3044\u3066\u601d\u3044\u51fa\u3057\u3066\u307f\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u91cd\u529b\u5834\u3067\u81ea\u7531\u843d\u4e0b\u3059\u308b\u7269\u4f53\u306e\u529b\u306e\u4f5c\u7528\u56f3\u306f\u56f3\u306e\u901a\u308a\u3067\u3057\u305f\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"80\" height=\"124\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406732.svg\" alt=\"\u7269\u7406732\" class=\"wp-image-5886\"\/><noscript><img decoding=\"async\" width=\"80\" height=\"124\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406732.svg\" alt=\"\u7269\u7406732\" class=\"wp-image-5886\"\/><\/noscript><\/figure>\n\n\n\n<p>\u925b\u76f4\u4e0b\u5411\u304d\u306e\u904b\u52d5\u65b9\u7a0b\u5f0f\u306f\uff0c<br>$$ma=mg-kv$$\u3068\u304b\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u306d\u3002<\/p>\n\n\n\n<p>$a=\\Bun{\\dv}{\\dt}$ \u3067\u3059\u306e\u3067\uff0c\u5f0f\u3092\u6574\u7406\u3059\u308b\u3068\uff0c<br>$$mg=kv+m\\bun{\\dv}{\\dt} \\quad \\stext{\u2026\u2026 \u2460}$$\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u3068\uff0c<br>$$E=\\bun{Q}{C}+R\\bun{\\dQ}{\\dt} \\quad \\stext{\u2026\u2026 \u2461}$$\u3063\u3066\u540c\u3058\u5f62\u3092\u3057\u3066\u3044\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u304b\u2026\uff1f<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f0f\u306e\u985e\u4f3c\u6027\u3068\u5bfe\u5fdc<\/h3>\n\n\n\n<p>$mg=A$\uff0c$k=B$\uff0c$m=C$ \u3068\u3059\u308b\u3068 \u2460\u5f0f\u306f\uff0c<br>$$A=Bv+C\\bun{\\dv}{\\dt} \\quad \\stext{\u2026\u2026 \u2460$\\prime$}$$\u3067\u3059\u3002\u540c\u69d8\u306b\uff0c$E=A\\mskip 1mu\\prime $\uff0c$\\Bun{1}{C}=B\\mskip 1mu\\prime $\uff0c$R=C$ \u3068\u3059\u308b\u3068 \u2461\u5f0f\u306f\uff0c<br>$$A\\mskip 1mu\\prime =B\\mskip 1mu\\prime Q+C\\Bun{\\dQ}{\\dt} \\quad \\stext{\u2026\u2026 \u2461$\\prime$}$$\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u2460$\\prime$ \u3068 \u2461$\\prime$ \u304c\u540c\u3058\u5f62\u3092\u3057\u3066\u3044\u308b\u306e\u306f\u5f62\u304b\u3089\u660e\u3089\u304b\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b0\u30e9\u30d5\u306e\u6bd4\u8f03<\/h3>\n\n\n\n<p>\u2460$\\prime$ \u5f0f\u304b\u3089\u5f97\u3089\u308c\u308b $v-t$ \u30b0\u30e9\u30d5\u306f\u6b21\u56f3\u306e\u901a\u308a\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\uff0c\u2461$\\prime$ \u5f0f\u304b\u3089\u5f97\u3089\u308c\u308b $Q$ \u306e\u6642\u9593\u5909\u5316\u3092\u8868\u3059\u30b0\u30e9\u30d5\u3082\u540c\u69d8\u306e\u5f62\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"183\" height=\"135\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406731.svg\" alt=\"\u7269\u7406731\" class=\"wp-image-5885\"\/><noscript><img decoding=\"async\" width=\"183\" height=\"135\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406731.svg\" alt=\"\u7269\u7406731\" class=\"wp-image-5885\"\/><\/noscript><\/figure>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"147\" height=\"164\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406921.svg\" alt=\"\u7269\u7406921\" class=\"wp-image-6603\"\/><noscript><img decoding=\"async\" width=\"147\" height=\"164\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406921.svg\" alt=\"\u7269\u7406921\" class=\"wp-image-6603\"\/><\/noscript><\/figure>\n\n\n\n<p>$t=0$ \u306e\u3068\u304d\uff0c$I=\\Bun{V}{R}$ \u3067\u3042\u308b\u3053\u3068\u306f\u3059\u3067\u306b\u6c42\u3081\u307e\u3057\u305f\u3002$I=\\Bun{\\dQ}{\\dt}$ \u3067\u3059\u306e\u3067\uff0c$t=0$ \u306b\u304a\u3051\u308b\u30b0\u30e9\u30d5\u306e\u50be\u304d\u306f $\\Bun{V}{R}$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3067\u306f\uff0c\u7d42\u7aef\u901f\u5ea6 $v_f$ \u306b\u5bfe\u5fdc\u3059\u308b $Q$ \u306e\u5024\uff08\u56f3\u306e\uff1f\uff09\u306f\u3044\u304f\u3064\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u308c\u304b\u3089\u7d39\u4ecb\u3059\u308b\u624b\u9806\u3067\u6c42\u3081\u308b\u306e\u304c\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\uff0c\u5148\u307b\u3069\u51fa\u3066\u304d\u305f \u2460$\\prime$ \u3068 \u2461$\\prime$ \u306e\u5f0f\u304b\u3089\u8003\u3048\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6587\u5b57\u306e\u5bfe\u5fdc\u95a2\u4fc2\u304b\u3089\uff0c<br>$$mg=E,\\quad k=\\bun{1}{C},\\quad m=R$$\u304c\u6210\u308a\u7acb\u3064\u3082\u306e\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3088\u308a\uff0c$g=\\bun{E}{R}$ \u3067\u3042\u308b\u3053\u3068\u3082\u3059\u3050\u306b\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\uff0c\u7d42\u7aef\u901f\u5ea6 $v_f=\\bun{mg}{k}$ \u306b\u5bfe\u5fdc\u3059\u308b\u5024\u306f\uff0c<br>$$\\Bun{mg}{k}=CE$$\u3068\u3057\u3066\u6c42\u307e\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b0\u30e9\u30d5\u306e\u89e3\u91c8<\/h3>\n\n\n\n<p>\u307e\u305f\uff0c\u30b0\u30e9\u30d5\u304b\u3089\uff0c\u5e38\u306b $Q$ \u304c\u9023\u7d9a\u7684\u306b\u5909\u5316\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u307e\u305f\uff0c\u5145\u96fb\u306e\u5f8c\u534a\u306b\u306a\u308c\u3070\u306a\u308b\u307b\u3069\u5145\u96fb\u306e\u30b9\u30d4\u30fc\u30c9\u304c\u843d\u3061\u308b\u3053\u3068\u3082\u308f\u304b\u308a\u307e\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>\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u306e\u5145\u96fb\u3063\u3066\uff0c\u6700\u521d\u306f\u65e9\u3044\u3051\u308c\u3069\u5f8c\u534a\u306f\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3088\u306d\u2026\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u305d\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u3057\u3063\u304b\u308a\u3068\u6301\u3063\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u5341\u5206\u306b\u6642\u9593\u304c\u7d4c\u904e\u3057\u305f\u5f8c<\/h3>\n\n\n\n<p>\u5341\u5206\u306b\u6642\u9593\u304c\u7d4c\u904e\u3059\u308b\u3068\uff0c\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u5145\u96fb\u304c\u7d42\u4e86\u3057\u307e\u3059\uff01<\/p>\n\n\n\n<p>\u305d\u308c\u4ee5\u4e0a $Q$ \u304c\u5909\u5316\u3057\u306a\u3044\u305f\u3081\uff0c$\\Bun{\\dQ}{\\dt}=0$ \u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002\u3064\u307e\u308a\uff0c\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306b\u6d41\u308c\u8fbc\u3080\u96fb\u6d41\u304c $0$ \u306b\u306a\u308a\u307e\u3059\uff01<\/p>\n\n\n\n<p>\u3053\u308c\u3088\u308a\uff0c\u62b5\u6297\u306b\u304b\u304b\u308b\u96fb\u5727\u304c $0$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u56de\u8def\u56f3\u3067\u306e\u78ba\u8a8d<\/h3>\n\n\n\n<p>\u4ee5\u4e0a\u3092\u6574\u7406\u3057\u3066\u56de\u8def\u56f3\u3092\u304b\u304f\u3068\uff0c\u6b21\u306e\u901a\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"148\" height=\"132\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406922.svg\" alt=\"\u7269\u7406922\" class=\"wp-image-6604\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"132\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406922.svg\" alt=\"\u7269\u7406922\" class=\"wp-image-6604\"\/><\/noscript><\/figure>\n\n\n\n<p>\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u304b\u3089\uff0c<br>$$E=\\Bun{Q}{C}\\qquad\\therefore \\quad Q=CE$$\u304c\u5f97\u3089\u308c\u307e\u3059\u306d\uff01<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u5148\u307b\u3069\u7a7a\u6c17\u62b5\u6297\u304c\u3042\u308b\u5834\u5408\u306e\u843d\u4e0b\u904b\u52d5\u3068\u306e\u5bfe\u5fdc\u95a2\u4fc2\u304b\u3089\u6c42\u3081\u305f\u5024\u306b\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n    <div class=\"wp-block-st-blocks-point-box st-point-box has-title post-hashiro-point\" style=\"\n        background-color:#fff; \n        border: 2px solid #ff7f50; \n        padding: 0px 18px; \n        border-radius: 4pt; \n        position: relative;\">\n        \n        <p class=\"st-mybox-title\" style=\"\n            position: absolute; \n            top: -12px; \n            left: 12px; \n            background-color: #fff; \n            padding: 0 10px; \n            color: #ff7f50; \n            font-weight: bold; \n            font-size: 15px; \n            line-height: 1.5; \n            text-decoration: none;\n            margin-bottom: 20px; \n            display: flex; \n            align-items: center; \n            gap: 5px;\">\n            <i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"true\"><\/i> \u5341\u5206\u306b\u6642\u9593\u304c\u7d4c\u904e\u3057\u305f\u5f8c\n        <\/p>\n\n        <div class=\"st-in-point-box\" style=\"\n            margin-top: 0px; \n            margin-bottom: 0px;\n            padding-top: 0px;\n            padding-bottom: 30px;\">\n            <p style=\"margin-bottom: -10px !important;\">\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u304c\u84c4\u3048\u308b\u96fb\u6c17\u91cf\u304c\u4e00\u5b9a\u3068\u306a\u308b\u305f\u3081\uff0c$\\Bun{\\dQ}{\\dt}=0$ \u304c\u6210\u7acb\u3059\u308b\u3002\u3059\u306a\u308f\u3061\uff0c\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u304c\u3042\u308b\u90e8\u5206\u306b\u306f\u96fb\u6d41\u304c\u6d41\u308c\u306a\u3044\u3002<\/p>\n        <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u5145\u96fb\u306b\u3064\u3044\u30662 \u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u306e\u5927\u539f\u52473 \u904e\u6e21\u73fe\u8c61\u306b\u3064\u3044\u30664 \u9023\u7d9a\u65b9\u7a0b\u5f0f5 \u518d\u3073\u904e\u6e21\u73fe\u8c61 \u5145\u96fb\u306b\u3064\u3044\u3066 \u5145\u96fb \u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u30d1\u30bd\u30b3\u30f3\u306a\u3069\u306e\u96fb\u5b50\u6a5f\u5668\u306e\u5145\u96fb\u3092\u3057\u305f\u7d4c\u9a13\u306f\u8ab0\u3057\u3082\u3042\u308b\u3067\u3057\u3087\u3046 &#8230; 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