{"id":3727,"date":"2022-11-18T12:27:45","date_gmt":"2022-11-18T03:27:45","guid":{"rendered":"https:\/\/torisetudy.com\/?p=3727"},"modified":"2026-02-20T16:22:29","modified_gmt":"2026-02-20T07:22:29","slug":"y-t-%e3%82%b0%e3%83%a9%e3%83%95","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=3727","title":{"rendered":"$y-t$ \u30b0\u30e9\u30d5"},"content":{"rendered":"\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#y-t\"><span class=\"toc_number toc_depth_1\">1<\/span> $y-t$\u30b0\u30e9\u30d5<\/a><\/li><li><a href=\"#2\"><span class=\"toc_number toc_depth_1\">2<\/span> 2\u7a2e\u985e\u306e\u30b0\u30e9\u30d5\u306e\u610f\u5473<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"y-t\">$y-t$\u30b0\u30e9\u30d5<\/span><\/h2>\n\n\n\n<p>\u518d\u3073\u30a6\u30a7\u30fc\u30d6\u306e\u4f8b\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4eba\u6570\u304c\u591a\u3044\u307b\u3046\u304c\u9577\u304f\u3066\u304d\u308c\u3044\u306a\u30a6\u30a7\u30fc\u30d6\u304c\u3067\u304d\u307e\u3059\u304c\uff0c\u4eca\u56de\u306f10\u4eba\u3067\u8003\u3048\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon4 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u305f\u3063\u305f\u306e10\u4eba\u3002\u3061\u3087\u3063\u3068\u3055\u307f\u3057\u3044\u2026\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>\u305d\u308c\u305e\u308c\u306e\u4eba\u304c\u7acb\u3063\u305f\u308a\u5ea7\u3063\u305f\u308a\u3092\u305a\u3063\u3068\u7e70\u308a\u8fd4\u3057\u3066\u3044\u3066\uff0c\u6b63\u5f26\u6ce2\u304c\u3067\u304d\u3066\u3044\u308b\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6642\u9593\u3092\u6b62\u3081\u3066\u8003\u3048\u308b<\/h3>\n\n\n\n<p>\u3053\u306e\u3068\u304d\uff0c\u3042\u308b\u6642\u523b\u3067\u6642\u9593\u3092\u6b62\u3081\u3066\u307f\u307e\u3059\u3002\u5199\u771f\u3092\u64ae\u3063\u305f\uff0c\u3068\u8003\u3048\u3066\u3082\u3088\u3044\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3068\u304d\u306e10\u4eba\u306e\u9854\u306e\u4f4d\u7f6e\u3092\u7d50\u3076\u3068\u6b63\u5f26\u6ce2\u304c\u3067\u304d\u3042\u304c\u308b\u308f\u3051\u3067\u3059\u304c\uff0c\u3053\u308c\u3092\u305d\u306e\u307e\u307e\u30b0\u30e9\u30d5\u306b\u3057\u305f\u3082\u306e\u304c $y-x$ \u30b0\u30e9\u30d5\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>$x$ \u306f\u4eba\uff08\u5a92\u8cea\uff09\u306e\u4f4d\u7f6e\u3092\uff0c$y$ \u306f\u305d\u308c\u305e\u308c\u306e\u4eba\u306e\u9854\u306e\u4f4d\u7f6e\uff08\u57fa\u6e96\u306e\u4f4d\u7f6e\u304b\u3089\u306e\u5909\u4f4d\u3002\u4e2d\u8170\u306e\u9ad8\u3055\u3092 $y=0$ \u3068\u3057\u3066\uff0c\u7acb\u3063\u3066\u3044\u308b\u3068\u304d\u304c $y&gt;0$\uff0c\u5ea7\u3063\u3066\u3044\u308b\u3068\u304d\u304c $y&lt;0$\uff09\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"361\" height=\"157\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406091.svg\" alt=\"\" class=\"wp-image-3609\"\/><noscript><img decoding=\"async\" width=\"361\" height=\"157\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406091.svg\" alt=\"\" class=\"wp-image-3609\"\/><\/noscript><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\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>\u3053\u306e\u4e2d\u306b1\u4eba\uff0c\u3068\u3073\u3063\u304d\u308a\u306e\u7f8e\u4eba\u304c\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>\u4ed6\u306e9\u4eba\u306e\u52d5\u304d\u304c\u898b\u3048\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u304f\u3089\u3044\u306e\u7f8e\u4eba\u3067\u3059\u3002<\/p>\n\n\n\n<p>6\u756a\u76ee\u306e\u4eba\uff08\u5a92\u8cea\uff09\u304c\u305d\u306e\u7f8e\u4eba\u3060\u3068\u3057\u307e\u3057\u3087\u3046\u3002\u898b\u3068\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3088\u306d\u2026\uff1f\u305d\u306e\u7f8e\u4eba\u306e\u52d5\u304d\u306b\u3060\u3051\u6ce8\u76ee\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u305d\u3053\u3067\uff0c\u7f8e\u4eba\u306e\u52d5\u304d\uff08\u5909\u4f4d\uff09\u306e\u6642\u9593\u5909\u5316\u3092\u89b3\u5bdf\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3057\u3066\uff0c\u6642\u9593\u3092\u6a2a\u8ef8\u306b\uff0c\u7f8e\u4eba\u306e\u52d5\u304d\uff08\u5909\u4f4d\uff09\u3092\u7e26\u8ef8\u306b\u3068\u3063\u305f\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6a2a\u8ef8\u304c\u6642\u9593 $t$\uff0c\u7e26\u8ef8\u304c\u7f8e\u4eba\uff08\u6ce8\u76ee\u3057\u3066\u3044\u308b\u5a92\u8cea\uff09\u306e\u5909\u4f4d $y$ \u3067\u3042\u308b\u3088\u3046\u306a\u30b0\u30e9\u30d5\u304c\u5b8c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"356\" height=\"258\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406092.svg\" alt=\"\" class=\"wp-image-3610\"\/><noscript><img decoding=\"async\" width=\"356\" height=\"258\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406092.svg\" alt=\"\" class=\"wp-image-3610\"\/><\/noscript><\/figure>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">$y-t$ \u30b0\u30e9\u30d5<\/h3>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\uff0c\u300c\u6642\u9593\u7d4c\u904e\u3068\uff0c\u6ce8\u76ee\u3057\u3066\u3044\u308b\u7279\u5b9a\u306e\u5a92\u8cea\u306e\u5909\u4f4d\u306e\u95a2\u4fc2\u3092\u8868\u3057\u305f\u30b0\u30e9\u30d5\u300d\u3092<span class=\"st-mymarker-s\">$y-t$\u30b0\u30e9\u30d5<\/span>\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u81ea\u5206\u304c\u6ce8\u76ee\u3057\u3066\u3044\u308b\u7279\u5b9a\u306e\u5a92\u8cea\u306e\u52d5\u304d\uff08\u5909\u4f4d\uff09\u306e\u6b74\u53f2\u3092\u8868\u3057\u3066\u3044\u308b\u30b0\u30e9\u30d5\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u6a2a\u8ef8\u306e $t$ \u306f\u6642\u523b\u3092\u793a\u3057\uff0c\u7e26\u8ef8\u306e $y$ \u306f\u7279\u5b9a\u306e\u5a92\u8cea\u306e\u6642\u523b $t$ \u306b\u304a\u3051\u308b\u5909\u4f4d\uff08\u57fa\u6e96\u70b9\u304b\u3089\u3069\u308c\u3060\u3051\u305a\u308c\u3066\u3044\u308b\u304b\uff09\u3092\u8868\u3057\u3066\u3044\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>\u305f\u3068\u3048\u3070\uff0c\u5148\u307b\u3069\u306e\u7f8e\u4eba\u306e\u52d5\u304d\u3092\u8868\u3059 $y-t$ \u30b0\u30e9\u30d5\u304c\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3042\u3063\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"244\" height=\"124\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406093.svg\" alt=\"\" class=\"wp-image-3611\" title=\"physicsimg\"\/><noscript><img decoding=\"async\" width=\"244\" height=\"124\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406093.svg\" alt=\"\" class=\"wp-image-3611\" title=\"physicsimg\"\/><\/noscript><\/figure>\n\n\n\n<p>\u5c71\u306e\u9ad8\u3055\u3068\u8c37\u306e\u6df1\u3055\u304c\u632f\u5e45 $A$ \u3092\u8868\u3059\u70b9\u306f $y-x$ \u30b0\u30e9\u30d5\u3068\u540c\u69d8\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\uff0c\u5c71\u304b\u3089\u5c71\u307e\u3067\u306e\u8ddd\u96e2\u306f\u6642\u9593 $t$ \u306e1\u5468\u671f\u3092\u8868\u3059\u3053\u3068\u306b\u306a\u308b\u306e\u3067\uff0c\u6ce2\u9577 $\\lambda$ \u3067\u306f\u306a\u304f\u6ce2\u306e\u5468\u671f $T$ \u3068\u306a\u308b\u3053\u3068\u306b\u6c17\u3092\u3064\u3051\u3066\u4e0b\u3055\u3044\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>$x$ \u8ef8\u65b9\u5411\u6b63\u306e\u5411\u304d\u306b\u901f\u3055 $4.0\\ms$ \u3067\u9032\u3080\u6b63\u5f26\u9032\u884c\u6ce2\u304c\u3042\u308b\u3002$x=0\\m$ \u306b\u304a\u3051\u308b\u5a92\u8cea\u306e\u632f\u52d5\u306e\u69d8\u5b50\u3092\u8868\u3059\u30b0\u30e9\u30d5\u304c\u56f3\u306e\u901a\u308a\u3067\u3042\u308b\u3068\u304d\uff0c\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=\"300\" height=\"128\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406094-3.svg\" alt=\"\" class=\"wp-image-3743\"\/><noscript><img decoding=\"async\" width=\"300\" height=\"128\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406094-3.svg\" alt=\"\" class=\"wp-image-3743\"\/><\/noscript><\/figure>\n\n\n\n<p class=\"setumonnkakko\">\u6b63\u5f26\u6ce2\u306e\u632f\u52d5\u6570 $f\\Hz$ \u304a\u3088\u3073\u6ce2\u9577 $\\lambda\\m$ \u3092\u6c42\u3081\u3088\u3002<\/p>\n\n\n\n<p class=\"setumonnkakko\">\u6642\u523b $t=0\\s$ \u306b\u304a\u3051\u308b\u6b63\u5f26\u9032\u884c\u6ce2\u306e\u6ce2\u5f62\u3092\uff0c\u6a2a\u8ef8\u306b $x$\uff0c\u7e26\u8ef8\u306b $y$ \u3092\u53d6\u3063\u305f\u30b0\u30e9\u30d5\u306b\u8868\u305b\u3002<\/p>\n<\/div><\/div>\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>\u307e\u305a\u306f(1)\u304b\u3089\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\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>\u4e0e\u3048\u3089\u308c\u305f $y-t$ \u30b0\u30e9\u30d5\u304b\u3089\uff0c1\u5468\u671f\u306b\u76f8\u5f53\u3059\u308b\u6642\u9593\u304c $T=0.40\\s$ \u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u3088\u3063\u3066\uff0c<\/p>\n\n\n\n<p>$$f=\\bun{1}{T}=\\bun{1}{0.4}=2.5\\Hz$$\u3068\u3057\u3066\u632f\u52d5\u6570\u304c\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6ce2\u306e\u901f\u3055\u306f $v=f\\lambda$ \u306e\u5f0f\u304b\u3089\u8a08\u7b97\u3067\u304d\u308b\u305f\u3081\uff0c$4.0=2.5\\lambda$ \u304c\u6210\u308a\u7acb\u3064\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092\u89e3\u304f\u3053\u3068\u3067\uff0c$\\lambda=1.6\\m$ \u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"st-kaiwa-box kaiwaicon4 clearfix\"><div class=\"st-kaiwa-area2\"><div class=\"st-kaiwa-hukidashi2\"><div class=\"wp-block-st-blocks-st-kaiwa\">\n<p>\u7d9a\u3044\u3066(2)\u3067\u3059\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>\u307e\u305a\uff0c\u4e0e\u3048\u3089\u308c\u305f $y-t$ \u30b0\u30e9\u30d5\u304c $x=0\\m$ \u306e\u5a92\u8cea\u306b\u3064\u3044\u3066\u306e\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u539f\u70b9\u306e\u5a92\u8cea\u306e\u52d5\u304d\u306f $y-t$ \u30b0\u30e9\u30d5\u306e\u901a\u308a\u3067\u3059\u3002\u6642\u523b $t=0\\s$ \u3067\u306f\u5909\u4f4d\u304c $y=0\\m$ \u3067\u3042\u308a\uff0c\u76f4\u5f8c\u306b $y$ \u8ef8\u4e0a\u5411\u304d\u306b\u9032\u3080\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u3092\u5143\u306b $y-x$ \u30b0\u30e9\u30d5\u3092\u8003\u3048\u308b\u308f\u3051\u3067\u3059\u304c\uff0c\u305d\u3082\u305d\u3082 $x=0\\m$ \u306b\u304a\u3044\u3066 $y=0\\m$ \u3068\u3044\u3046\u6761\u4ef6\u3092\u6e80\u305f\u3059\u6b63\u5f26\u6ce2\u306f\u4ee5\u4e0b\u306e2\u7a2e\u985e\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"373\" height=\"111\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406095.svg\" alt=\"\" class=\"wp-image-3613\"\/><noscript><img decoding=\"async\" width=\"373\" height=\"111\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406095.svg\" alt=\"\" class=\"wp-image-3613\"\/><\/noscript><\/figure>\n\n\n\n<p>\u3053\u306e\u3046\u3061\uff0c\u300c$x=0\\m$ \u306e\u5a92\u8cea\u304c $t=0\\s$ \u306e\u76f4\u5f8c\u306b $y$ \u8ef8\u4e0a\u5411\u304d\u306b\u9032\u3080\u300d\u3068\u3044\u3046\u6761\u4ef6\u3092\u6e80\u305f\u3059\u65b9\u304c\u7b54\u3048\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>$t=0\\s$ \u306e\u77ac\u9593\u306e\u52d5\u304d\u306b\u3064\u3044\u3066\u77e5\u308a\u305f\u3044\u308f\u3051\u3067\u3059\u304b\u3089\uff0c<span class=\"st-mymarker-s-b\">\u5c11\u3057\u3060\u3051\u6642\u9593\u3092\u9032\u3081\u3066\u6ce2\u3092\u52d5\u304b\u3057\u3066\u8003\u3048\u307e\u3059<\/span>\u3002<\/p>\n\n\n\n<p>\u56f3\u306e\u5b9f\u7dda\u3067\u793a\u3059\u6ce2\u5f62\u304c\uff0c\u6ce2\u3092\u5c11\u3057\u3060\u3051\u53f3\u5411\u304d\u306b\u9032\u3081\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"373\" height=\"111\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406096.svg\" alt=\"\" class=\"wp-image-3614\" title=\"physicsimg\"\/><noscript><img decoding=\"async\" width=\"373\" height=\"111\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406096.svg\" alt=\"\" class=\"wp-image-3614\" title=\"physicsimg\"\/><\/noscript><\/figure>\n\n\n\n<p>$x=0\\m$ \u306e\u5a92\u8cea\u306b\u6ce8\u76ee\u3059\u308b\u3068\uff0c$y$ \u8ef8\u3092\u4e0a\u5411\u304d\u306b\u9032\u3093\u3067\u3044\u308b\u306e\u306f\u53f3\u56f3\u306e\u30b0\u30e9\u30d5\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\uff0c$\\lambda=1.6\\m$ \u3067\u3042\u308b\u3053\u3068\u3082\u542b\u3081\u3066 $y-x$ \u30b0\u30e9\u30d5\u3092\u304b\u304f\u3068\u6b21\u306e\u901a\u308a\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"215\" height=\"126\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406097-1.svg\" alt=\"\" class=\"wp-image-3745\" title=\"physicsimg\"\/><noscript><img decoding=\"async\" width=\"215\" height=\"126\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406097-1.svg\" alt=\"\" class=\"wp-image-3745\" title=\"physicsimg\"\/><\/noscript><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"2\">2\u7a2e\u985e\u306e\u30b0\u30e9\u30d5\u306e\u610f\u5473<\/span><\/h2>\n\n\n\n<p>\u6b63\u5f26\u9032\u884c\u6ce2\u306f\uff0c\u6b63\u5f26\u6ce2\u304c\u9032\u884c\u3057\u3066\u3044\u304f\u3068\u3044\u3046\u6ce2\u52d5\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6ce2\u306f\u5e38\u306b\u6642\u9593\u5909\u5316\u3057\u3066\u3044\u304f\u306e\u3067\uff0c\u6b63\u5f26\u6ce2\u3092\u8003\u3048\u308b\u306b\u3042\u305f\u3063\u3066\u306f\uff0c\u300c\u2460 \u5a92\u8cea\u306e\u4f4d\u7f6e $x$\u300d\u300c\u2461 \u5a92\u8cea\u306e\u5909\u4f4d $y$\u300d\u300c\u2462 \u6642\u523b $t$\u300d\u306e3\u3064\u306e\u5909\u6570\u3092\u8003\u3048\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3069\u306e\u5a92\u8cea\u306b\u6ce8\u76ee\u3057\u3066\uff0c\u3069\u306e\u6642\u523b\u3092\u8003\u3048\u308b\u304b\u3092\u6c7a\u3081\u3066\u306f\u3058\u3081\u3066 $y$ \u304c\u6c42\u307e\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>\u3057\u304b\u3057\uff0c\u3053\u308c\u3089\u306e\u8981\u7d20\u5168\u3066\u30921\u3064\u306e\u30b0\u30e9\u30d5\u306b\u8868\u3059\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\uff08\u52d5\u753b\u3067\u3042\u308c\u3070\u53ef\u80fd\u3067\u3059\u304c\uff09\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\uff0c\u300c\u6642\u523b $t$ \u3092\u56fa\u5b9a\u3057\u3066\uff0c\u3042\u308b\u77ac\u9593\u306e\u6ce2\u306e\u5f62\u306b\u6ce8\u76ee\u3059\u308b\u30b0\u30e9\u30d5\u300d\u3092 $y-x$\u30b0\u30e9\u30d5\uff0c\u300c\u6ce8\u76ee\u3059\u308b\u5a92\u8cea $x$ \u3092\u56fa\u5b9a\u3057\u3066\uff0c\u305d\u306e\u5a92\u8cea\u306e\u5909\u4f4d $y$ \u306e\u6642\u9593\u5909\u5316\u306b\u6ce8\u76ee\u3059\u308b\u30b0\u30e9\u30d5\u300d\u3092 $y-t$ \u30b0\u30e9\u30d5\u3068\u3057\u3066\u8868\u73fe\u3057\u3066\u3044\u308b\u3068\u3057\u3066\u8003\u3048\u308b\u3068\uff0c\u982d\u306e\u4e2d\u304c\u6574\u7406\u3057\u3084\u3059\u3044\u304b\u3068\u601d\u3044\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>$y-x$ \u30b0\u30e9\u30d5\u3068 $y-t$ \u30b0\u30e9\u30d5<\/p><div class=\"st-in-mybox\">\n<p><span class=\"st-mymarker-s-b\">$y-x$ \u30b0\u30e9\u30d5<\/span>\uff1a\u6642\u523b\u3092\u56fa\u5b9a\u3057\uff0c\u5404\u4f4d\u7f6e $x$ \u306e\u5a92\u8cea\u306e\u5909\u4f4d $y$ \u3092\u8868\u3057\u305f\u30b0\u30e9\u30d5\u3002\u3042\u308b\u77ac\u9593\u306e\u6ce2\u306e\u898b\u305f\u76ee\u3092\u305d\u306e\u307e\u307e\u8868\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p><span class=\"st-mymarker-s-b\">$y-t$ \u30b0\u30e9\u30d5<\/span>\uff1a\u5a92\u8cea\u3092\u56fa\u5b9a\u3057\uff0c\u305d\u306e\u5a92\u8cea\u306e\u5909\u4f4d $y$ \u3068\u6642\u523b $t$ \u306e\u95a2\u4fc2\u3092\u8868\u3057\u305f\u30b0\u30e9\u30d5\u3002\u6ce8\u76ee\u3057\u3066\u3044\u308b\u5a92\u8cea\u306e\u5909\u4f4d\u306e\u6b74\u53f2\u3092\u8868\u3057\u3066\u3044\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n  <div class=\"torisetudy-exercise-pair\">\n          <div class=\"torisetudy-exercise-heading\">\u3053\u3053\u307e\u3067\u5b66\u7fd2\u3092\u7d42\u3048\u305f\u3089\u6f14\u7fd2\u554f\u984c\u306b\u6311\u6226\uff01<\/div>\n    \n    <div class=\"torisetudy-exercise-buttons\">\n      <a class=\"torisetudy-ex-btn is-standard\" href=\"https:\/\/torisetudy.com\/?exercise=8282\"><div class=\"torisetudy-ex-top\"><span class=\"torisetudy-ex-tag\">\u6a19\u6e96\u554f\u984c<\/span><span class=\"torisetudy-ex-level\" aria-label=\"\u96e3\u6613\u5ea62\">\u2605\u2605\u2606\u2606\u2606<\/span><\/div><span class=\"torisetudy-ex-title\">\u6b63\u5f26\u9032\u884c\u6ce2\u306e\u57fa\u672c<\/span><\/a>      <a class=\"torisetudy-ex-btn is-advanced\" href=\"https:\/\/torisetudy.com\/?exercise=8285\"><div class=\"torisetudy-ex-top\"><span class=\"torisetudy-ex-tag\">\u5fdc\u7528\u554f\u984c<\/span><span class=\"torisetudy-ex-level\" aria-label=\"\u96e3\u6613\u5ea64\">\u2605\u2605\u2605\u2605\u2606<\/span><\/div><span class=\"torisetudy-ex-title\">\u8ca0\u306e\u5411\u304d\u306b\u9032\u3080\u6b63\u5f26\u9032\u884c\u6ce2<\/span><\/a>    <\/div>\n\n      <\/div>\n  \n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u6b211 $y-t$\u30b0\u30e9\u30d52 2\u7a2e\u985e\u306e\u30b0\u30e9\u30d5\u306e\u610f\u5473 $y-t$\u30b0\u30e9\u30d5 \u518d\u3073\u30a6\u30a7\u30fc\u30d6\u306e\u4f8b\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4eba\u6570\u304c\u591a\u3044\u307b\u3046\u304c\u9577\u304f\u3066\u304d\u308c\u3044\u306a\u30a6\u30a7\u30fc\u30d6\u304c\u3067\u304d\u307e\u3059\u304c\uff0c\u4eca\u56de\u306f10\u4eba\u3067\u8003\u3048\u308b\u3082\u306e\u3068\u3057\u307e\u3059\u3002 \u305d\u308c\u305e\u308c &#8230; <\/p>\n","protected":false},"author":1,"featured_media":3724,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,7],"tags":[],"class_list":["post-3727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wave_base","category-basic_physics"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/3727"}],"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=3727"}],"version-history":[{"count":15,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/3727\/revisions"}],"predecessor-version":[{"id":8390,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/posts\/3727\/revisions\/8390"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=\/wp\/v2\/media\/3724"}],"wp:attachment":[{"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3727"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3727"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/torisetudy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3727"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}