{"id":7111,"date":"2025-03-31T18:32:42","date_gmt":"2025-03-31T09:32:42","guid":{"rendered":"https:\/\/torisetudy.com\/?p=7111"},"modified":"2025-04-03T02:50:25","modified_gmt":"2025-04-02T17:50:25","slug":"%e5%9b%9e%e8%b7%af%e3%81%ab%e3%81%8a%e3%81%91%e3%82%8b%e3%82%b3%e3%82%a4%e3%83%ab%e2%91%a0","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=7111","title":{"rendered":"\u56de\u8def\u306b\u304a\u3051\u308b\u30b3\u30a4\u30eb\u2460"},"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> \u56de\u8def\u306b\u304a\u3051\u308b\u30b3\u30a4\u30eb\u306e\u632f\u308b\u821e\u3044<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u904e\u6e21\u73fe\u8c61\u306b\u3064\u3044\u3066<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"i\">\u56de\u8def\u306b\u304a\u3051\u308b\u30b3\u30a4\u30eb\u306e\u632f\u308b\u821e\u3044<\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7a81\u7136\u306e\u5909\u5316<\/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>\u7686\u3055\u3093\u306f\uff0c\u7a81\u7136\u7d42\u308f\u308b\u604b\u611b\u3092\u7d4c\u9a13\u3057\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u304b\u2026\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u305a\u3063\u3068\u7247\u60f3\u3044\u3060\u3063\u305f\u76f8\u624b\u304c\u8ee2\u6821\u3057\u3066\u3057\u307e\u3063\u305f\u308a\uff0c\u4ed8\u304d\u5408\u3063\u3066\u3044\u305f\u76f8\u624b\u304b\u3089\u7a81\u7136\u5225\u308c\u3092\u544a\u3052\u3089\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u2026\u3002<\/p>\n\n\n\n<p>\u6c17\u6301\u3061\u306e\u6574\u7406\u3092\u3059\u308b\u306e\u304c\u96e3\u3057\u3044\u3053\u3068\u304c\u5927\u534a\u304b\u3068\u601d\u3044\u307e\u3059\u304c\uff0c\u73fe\u5b9f\u4e16\u754c\u3067\u306f\u3053\u306e\u3088\u3046\u306b\u300c\u7a81\u7136\u611b\u304c\u5909\u5316\u3059\u308b\u3053\u3068\u300d\u304c\u591a\u3005\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon2 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u96fb\u78c1\u6c17\u306e\u4e16\u754c\u3067\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff1f<\/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\u7591\u554f\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u7591\u554f\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\n\n\n\n<p>\u3084\u306f\u308a\u96fb\u78c1\u6c17\u306e\u4e16\u754c\u3067\u3082 $I$ \u306f\u7a81\u7136\u5909\u5316\u3057\u3066\u3057\u307e\u3046\u3082\u306e\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7a81\u7136\u306e\u5909\u5316\u3092\u59a8\u3052\u308b\uff01<\/h3>\n\n\n\n<p>\u305d\u306e\u3088\u3046\u306a\u300c\u7a81\u7136\u306e\u96fb\u6d41\u306e\u5909\u5316\u300d\u3092\u59a8\u3052\u3066\u304f\u308c\u308b\u306e\u304c\u30b3\u30a4\u30eb\u3067\u3059\uff01<\/p>\n\n\n\n<p>\u30b3\u30a4\u30eb\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u305f\u969b\u306b\uff0c\u300c\u56de\u8def\u4e2d\u306e\u30b3\u30a4\u30eb\u304c\u96fb\u6d41\u306e\u5909\u5316\u3092\u59a8\u3052\u308b\u50cd\u304d\u304b\u3051\u3092\u3059\u308b\u305f\u3081\uff0c\u30b3\u30a4\u30eb\u306e\u96fb\u6d41\u306f\u9023\u7d9a\u7684\u306b\u306a\u3060\u3089\u304b\u306b\u5909\u5316\u3059\u308b\u300d\u3068\u3044\u3046\u8a71\u3092\u3057\u307e\u3057\u305f\u306d\u3002<\/p>\n\n\n\n<p>\u81ea\u5df1\u8a98\u5c0e\u306b\u3088\u3063\u3066\uff0c\u96fb\u6d41\u306e\u5909\u5316\u3092\u59a8\u3052\u308b\u3088\u3046\u306a\u5411\u304d\u306b\u8a98\u5c0e\u8d77\u96fb\u529b\u304c\u751f\u3058\u308b\u305f\u3081\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\uff0c<span class=\"st-mymarker-s\">\u30b3\u30a4\u30eb\u3092\u6d41\u308c\u308b\u96fb\u6d41 $I$ \u306f\u5fc5\u305a\u9023\u7d9a\u7684\u306b\u5909\u5316\u3057\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n<p>\u73fe\u5b9f\u4e16\u754c\u306e\u611b\u3068\u306f\u9055\u3063\u3066\uff0c\u30b3\u30a4\u30eb\u3092\u542b\u3080\u56de\u8def\u306e $I$ \u306f\u5fc5\u305a\u9023\u7d9a\u7684\u306b\u5909\u5316\u3059\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon4 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u3088\u304b\u3063\u305f\u3088\u304b\u3063\u305f\u3002<\/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<p>\u4ee5\u4e0a\u306e\u8a71\u3092\u8e0f\u307e\u3048\u3066\uff0c\u30b3\u30a4\u30eb\u3092\u542b\u3080\u56de\u8def\u306e\u6642\u9593\u5909\u5316\uff08\u904e\u6e21\u73fe\u8c61\uff09\u306b\u3064\u3044\u3066\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"i-2\">\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<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u305f\u969b\u3068\u540c\u69d8\u306b\uff0c\u5177\u4f53\u7684\u306a\u56de\u8def\u3092\u7528\u3044\u3066\u8003\u3048\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"148\" height=\"127\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406990.svg\" alt=\"\u7269\u7406990\" class=\"wp-image-6674\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"127\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406990.svg\" alt=\"\u7269\u7406990\" class=\"wp-image-6674\"\/><\/noscript><\/figure>\n\n\n\n<p>\u56f3\u306e\u3088\u3046\u306b\uff0c\u8d77\u96fb\u529b $E$ \u306e\u96fb\u6c60 $\\rmE$\uff0c\u62b5\u6297\u5024 $R$ \u306e\u62b5\u6297 $\\rmR$\uff0c\u81ea\u5df1\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9 $L$ \u306e\u30b3\u30a4\u30eb $\\rmL$ \u304a\u3088\u3073\u30b9\u30a4\u30c3\u30c1\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u62b5\u6297\u3092\u53f3\u5411\u304d\u306b\u6d41\u308c\u308b\u96fb\u6d41\u3092 $I$ \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<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>3\u3064\u306e\u904e\u7a0b\u306b\u308f\u3051\u3066\u9806\u756a\u306b\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b9\u30a4\u30c3\u30c1\u3092\u5207\u308a\u66ff\u3048\u305f\u76f4\u5f8c<\/h3>\n\n\n\n<p>\u308f\u304b\u308b\u60c5\u5831\u304b\u3089\u9806\u756a\u306b\u6574\u7406\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u771f\u3063\u5148\u306b\u6ce8\u76ee\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8\u306f\u300c\u30b3\u30a4\u30eb\u306e\u96fb\u6d41 $I$ \u306f\u9023\u7d9a\u7684\u306b\u5909\u5316\u3059\u308b\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b9\u30a4\u30c3\u30c1\u3092\u5207\u308a\u66ff\u3048\u308b\u76f4\u524d\u306b\u30b3\u30a4\u30eb\u306b\u6d41\u308c\u3066\u3044\u305f\u96fb\u6d41\u306f $0$ \u3067\u3057\u305f\u306e\u3067\uff0c\u30b9\u30a4\u30c3\u30c1\u3092\u5207\u308a\u66ff\u3048\u305f\u76f4\u5f8c\u3082\u96fb\u6d41\u306f $0$ \u306e\u307e\u307e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3068\u3044\u3046\u3053\u3068\u306f\uff0c\u30b3\u30a4\u30eb\u3068\u76f4\u5217\u306b\u7e4b\u304c\u308c\u3066\u3044\u308b\u62b5\u6297\u306e\u96fb\u6d41\u3082 $0$ \u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3053\u3068\u304b\u3089\uff0c\u62b5\u6297\u306e\u96fb\u5727\u304c $0$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"148\" height=\"121\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406991.svg\" alt=\"\u7269\u7406991\" class=\"wp-image-6675\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"121\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406991.svg\" alt=\"\u7269\u7406991\" class=\"wp-image-6675\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3057\u304b\u3057\uff0c\u305d\u306e\u307e\u307e\u305a\u3063\u3068\u96fb\u6d41\u304c $0$ \u3067\u3042\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f90\u3005\u306b\u9023\u7d9a\u7684\u306b\u5897\u52a0\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\uff0c\u96fb\u6d41\u306e\u5897\u52a0\u7387 $\\bun{\\dI}{\\dt}$ \u306f $0$ \u3067\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\uff0c\u30b3\u30a4\u30eb\u306b\u306f\u96fb\u5727 $L\\bun{\\dI}{\\dt}$ \u304c\u751f\u3058\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u3092\u8e0f\u307e\u3048\u3066\u6574\u7406\u3057\u305f\u56de\u8def\u56f3\u304c\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=\"127\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406992.svg\" alt=\"\u7269\u7406992\" class=\"wp-image-6676\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"127\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406992.svg\" alt=\"\u7269\u7406992\" class=\"wp-image-6676\"\/><\/noscript><\/figure>\n\n\n\n<p>\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u304b\u3089\uff0c<\/p>\n\n\n\n<p>$$E=L\\bun{\\dI}{\\dt} \\qquad \\therefore \\quad \\bun{\\dI}{\\dt}=\\bun{E}{L}$$<\/p>\n\n\n\n<p>\u304c\u5f97\u3089\u308c\u307e\u3059\u306d\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> \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\u30a4\u30eb\u306e\u96fb\u6d41\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\u56de\u8def\u306b\u96fb\u6d41\u304c\u6d41\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u306f\uff0c\u30b9\u30a4\u30c3\u30c1\u64cd\u4f5c\u306e\u76f4\u5f8c\u3082\u96fb\u6d41\u306f $0$ \u306e\u307e\u307e\u3067\u3042\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\">\u5909\u5316\u306e\u904e\u7a0b<\/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>\u96fb\u6d41\u304c\u5909\u5316\u3059\u308b\u9014\u4e2d\u7d4c\u904e\u306b\u3064\u3044\u3066\u8003\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u8a71\u306e\u6d41\u308c\u306f\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u3068\u540c\u69d8\u3067\u3059\u306e\u3067\uff0c\u305d\u3061\u3089\u306e\u30da\u30fc\u30b8\u3082\u53c2\u7167\u3057\u306a\u304c\u3089\u8aad\u307f\u9032\u3081\u3066\u4e0b\u3055\u3044\uff01<\/p>\n\n\n\n<p>\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=\"127\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406992.svg\" alt=\"\u7269\u7406992\" class=\"wp-image-6676\"\/><noscript><img decoding=\"async\" width=\"148\" height=\"127\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406992.svg\" alt=\"\u7269\u7406992\" class=\"wp-image-6676\"\/><\/noscript><\/figure>\n\n\n\n<p>\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u304b\u3089\uff0c<\/p>\n\n\n\n<p>$$E=RI+L\\bun{\\dI}{\\dt} \\qquad \\stext{\u2026\u2026\u2460}$$<\/p>\n\n\n\n<p>\u304c\u6210\u7acb\u3057\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>\u3053\u306e\u5f0f\u306e\u5f62\uff01\uff01\u3069\u3053\u304b\u3067\u898b\u899a\u3048\u304c\u3042\u308a\u307e\u305b\u3093\u304b\u2026\uff1f\uff1f<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u306e\u3068\u304d\u306b\u3082\u767b\u5834\u3057\u305f\u300c\u7a7a\u6c17\u62b5\u6297\u3092\u8003\u616e\u3057\u305f\u843d\u4e0b\u904b\u52d5\u306e\u904b\u52d5\u65b9\u7a0b\u5f0f\u300d\u3067\u3059\u306d\uff01<\/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>\u529b\u306e\u4f5c\u7528\u56f3\u306f\u4e0a\u306e\u901a\u308a\u3067\uff0c\u925b\u76f4\u4e0b\u5411\u304d\u306e\u904b\u52d5\u65b9\u7a0b\u5f0f\u306f\uff0c<\/p>\n\n\n\n<p>$$ma=mg-kv$$<\/p>\n\n\n\n<p>\u3067\u3057\u305f\u3002$a=\\bun{\\dv}{\\dt}$ \u3092\u7528\u3044\u3066\uff0c\u5f0f\u3092\u6574\u7406\u3059\u308b\u3068\uff0c<\/p>\n\n\n\n<p>$$mg=kv+m\\bun{\\dv}{\\dt} \\qquad \\stext{\u2026\u2026\u2461}$$<\/p>\n\n\n\n<p>\u3067\u3059\u3002<\/p>\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>\u2460\u5f0f\u3068\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u306d\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>\u2461\u5f0f\u304b\u3089\u5f97\u3089\u308c\u308b $v-t$ \u30b0\u30e9\u30d5\u306e\u6982\u5f62\u306f\u6b21\u56f3\u306e\u901a\u308a\u3067\u3057\u305f\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\n<p>\u3088\u3063\u3066\uff0c\u2460\u5f0f\u304b\u3089\u5f97\u3089\u308c\u308b\u96fb\u6d41 $I$ \u306e\u6642\u9593\u5909\u5316\u3092\u8868\u3059\u30b0\u30e9\u30d5\u3082\u3053\u308c\u3068\u540c\u69d8\u306e\u5f62\u306b\u306a\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n\n\n\n<p>$t=0$ \u306e\u3068\u304d\uff0c$\\bun{\\dI}{\\dt}=\\bun{R}{L}$ \u3067\u3042\u308b\u3053\u3068\u306f\u2460\u3067\u65e2\u306b\u6c42\u3081\u307e\u3057\u305f\u3002\u3088\u3063\u3066\uff0c$t=0$ \u306b\u304a\u3051\u308b\u30b0\u30e9\u30d5\u306e\u50be\u304d\u306f $\\bun{R}{L}$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon2 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u7d42\u7aef\u901f\u5ea6 $v_f$ \u306b\u5bfe\u5fdc\u3059\u308b $I$ \u306e\u5024\u306f\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u2026\uff1f<\/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\u7591\u554f\uff09.png\" width=\"60px\"><noscript><img decoding=\"async\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u751f\u5f92\uff08\u7591\u554f\uff09.png\" width=\"60px\"><\/noscript><div class=\"st-kaiwa-face-name2\">\u751f\u5f92<\/div><\/div><\/div>\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>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u3068\u540c\u69d8\u306b\uff0c\u2462\u306e\u624b\u9806\u3067\u6c42\u3081\u308b\u306e\u304c\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u304c\uff0c2\u3064\u306e\u5f0f\u306e\u5bfe\u5fdc\u95a2\u4fc2\u304b\u3089\u8003\u3048\u3066\u3082ok\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6587\u5b57\u306e\u5bfe\u5fdc\u95a2\u4fc2\u304b\u3089\uff0c<\/p>\n\n\n\n<p>$$mg=E,\\quad k=R,\\quad m=L$$<\/p>\n\n\n\n<p>\u304c\u6210\u308a\u7acb\u3064\u3082\u306e\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3088\u3063\u3066\uff0c\u7d42\u7aef\u901f\u5ea6 $v_f=\\bun{mg}{k}$ \u306b\u5bfe\u5fdc\u3059\u308b\u5024\u306f\uff0c<\/p>\n\n\n\n<p>$$\\bun{mg}{k}=\\bun{E}{R}$$<\/p>\n\n\n\n<p>\u3068\u3057\u3066\u6c42\u307e\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\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\u305d\u308c\u4ee5\u4e0a\u5909\u5316\u304c\u8d77\u3053\u3089\u306a\u3044<span class=\"st-mymarker-s\">\u5b9a\u5e38\u72b6\u614b<\/span>\u306b\u81f3\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u96fb\u6d41\u3082\u4e00\u5b9a\u306e\u5024\u3067\u6d41\u308c\u7d9a\u3051\u3066\u5909\u5316\u3057\u306a\u3044\u72b6\u614b\u306b\u81f3\u308b\u306e\u3067\uff0c$\\bun{\\dI}{\\dt}=0$ \u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002\u3053\u308c\u3088\u308a\uff0c\u30b3\u30a4\u30eb\u306e\u96fb\u5727\u304c $0$ \u3068\u306a\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\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=\"153\" height=\"129\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406996.svg\" alt=\"\u7269\u7406996\" class=\"wp-image-6680\"\/><noscript><img decoding=\"async\" width=\"153\" height=\"129\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/\u7269\u7406996.svg\" alt=\"\u7269\u7406996\" class=\"wp-image-6680\"\/><\/noscript><\/figure>\n\n\n\n<p>\u30ad\u30eb\u30d2\u30db\u30c3\u30d5\u306e\u7b2c\u4e8c\u6cd5\u5247\u304b\u3089\uff0c<\/p>\n\n\n\n<p>$$E=RI \\qquad \\therefore \\quad I=\\bun{E}{R}$$<\/p>\n\n\n\n<p>\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u2461\u30672\u5f0f\u306e\u5bfe\u5fdc\u304b\u3089\u6c42\u3081\u305f\u5024\u3068\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u306d\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> \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\u30a4\u30eb\u306b\u6d41\u308c\u308b\u96fb\u6d41\u304c\u4e00\u5b9a\u3068\u306a\u308b\u305f\u3081\uff0c$\\bun{\\dI}{\\dt}=0$ \u304c\u6210\u7acb\u3059\u308b\u3002\u3059\u306a\u308f\u3061\uff0c\u30b3\u30a4\u30eb\u306b\u304b\u304b\u308b\u96fb\u5727\u306f $0$ \u306b\u306a\u308b\u3002<\/p>\n        <\/div>\n    <\/div>\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>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u3068\u540c\u3058\u3058\u3083\u3093\u3068\u601d\u3063\u305f\u3042\u306a\u305f\uff01\u305d\u306e\u901a\u308a\uff01<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<p>\u985e\u4f3c\u70b9\u304c\u975e\u5e38\u306b\u591a\u3044\u306e\u3067\uff0c\u3057\u3063\u304b\u308a\u3068\u95a2\u9023\u4ed8\u3051\u3066\u5185\u5bb9\u3092\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u904e\u6e21\u73fe\u8c61\u3067\u3082\u8ff0\u3079\u307e\u3057\u305f\u304c\uff0c\u3068\u3063\u3066\u3082\u5dee\u304c\u4ed8\u304d\u3084\u3059\u3044\u3067\u3059\uff01\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 \u56de\u8def\u306b\u304a\u3051\u308b\u30b3\u30a4\u30eb\u306e\u632f\u308b\u821e\u30442 \u904e\u6e21\u73fe\u8c61\u306b\u3064\u3044\u3066 \u56de\u8def\u306b\u304a\u3051\u308b\u30b3\u30a4\u30eb\u306e\u632f\u308b\u821e\u3044 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