{"id":2407,"date":"2022-09-15T02:20:53","date_gmt":"2022-09-14T17:20:53","guid":{"rendered":"https:\/\/torisetudy.com\/?page_id=2407"},"modified":"2026-02-18T20:49:42","modified_gmt":"2026-02-18T11:49:42","slug":"%e6%94%be%e7%89%a9%e9%81%8b%e5%8b%95","status":"publish","type":"post","link":"https:\/\/torisetudy.com\/?p=2407","title":{"rendered":"\u653e\u7269\u904b\u52d5"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u653e\u7269\u904b\u52d5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2\u6b21\u5143\uff0c3\u6b21\u5143\u7a7a\u9593\u3067\u306e\u904b\u52d5<\/h3>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u306b\u6271\u3063\u305f\u81ea\u7531\u843d\u4e0b\u904b\u52d5\uff0c\u925b\u76f4\u6295\u3052\u4e0a\u3052\u904b\u52d5\u306f\u3044\u305a\u308c\u3082\u4e00\u76f4\u7dda\u4e0a\u3067\u306e\u904b\u52d5\u3067\u3057\u305f\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>\u3067\u3082\uff0c\u73fe\u5b9f\u4e16\u754c\u306f3\u6b21\u5143\u306e\u7a7a\u9593\u306a\u306e\u3067\uff0c\u7269\u4f53\u306e\u904b\u52d5\u30823\u6b21\u5143\u3067\u8003\u3048\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3067\u3059\u3088\u306d\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\n<p>\u8a71\u304c\u4e00\u6c17\u306b\u3084\u3084\u3053\u3057\u304f\u306a\u308a\u305d\u3046\u3067\u3059\u304c\u305d\u3093\u306a\u3053\u3068\u306f\u4e00\u5207\u306a\u304f\uff0c$x$ \u8ef8\uff0c$y$ \u8ef8\uff0c$z$ \u8ef8\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3057\u3066\uff0c<span class=\"st-mymarker-s\"><span class=\"st-mymarker-s-b\">\u901f\u5ea6\u3084\u52a0\u901f\u5ea6\u3092\u6210\u5206\u3054\u3068\u306b\u5206\u89e3\u3057\u3066\u8003\u3048\u3066\u3057\u307e\u3048\u3070ok<\/span><\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u307e\u3067\u306b\u6271\u3063\u305f\u5185\u5bb9\u306e\u3061\u3087\u3063\u3068\u3057\u305f\u5fdc\u7528\uff0c\u304f\u3089\u3044\u306e\u3064\u3082\u308a\u3067\u8003\u3048\u3066\u304f\u3060\u3055\u3044\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\uff0c3\u6b21\u5143\u7a7a\u9593\u3067\u306e\u904b\u52d5<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u76f4\u4ea4\u3059\u308b\u5ea7\u6a19\u3092\u8a2d\u5b9a\u3057\u3066\uff0c\u6210\u5206\u3054\u3068\u306b\u8003\u3048\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u91cd\u529b\u5834\u3067\u306e\u653e\u7269\u904b\u52d5<\/h3>\n\n\n\n<p>\u91cd\u529b\u5834\u306e\u904b\u52d5\u3068\u3057\u3066\u306f\u653e\u7269\u904b\u52d5\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3061\u3089\u306f3\u6b21\u5143\u3067\u306f\u306a\u304f2\u6b21\u5143\u7a7a\u9593\u3067\u306e\u904b\u52d5\u3068\u3057\u3066\u8003\u3048\u3066\u3044\u304f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u306e\u3067\uff0c$x$ \u8ef8\u65b9\u5411\uff0c$y$ \u8ef8\u65b9\u5411\u306b\u5206\u89e3\u3057\u3066\u8003\u3048\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-st-blocks-my-box st-mybox has-title post-hashiro-point\" style=\"background-color:#fff;border-color:#ff7f50\"><p class=\"st-mybox-title\" style=\"color:#ff7f50;font-weight:bold;text-shadow:#fff 3px 0px 0px, #fff 2.83487px .981584px 0px, #fff 2.35766px 1.85511px 0px, #fff 1.62091px 2.52441px 0px, #fff .705713px 2.91581px 0px, #fff -0.287171px 2.98622px 0px, #fff -1.24844px 2.72789px 0px, #fff -2.07227px 2.16926px 0px, #fff -2.66798px 1.37182px 0px, #fff -2.96998px .42336px 0px, #fff -2.94502px -0.571704px 0px, #fff -2.59586px -1.50383px 0px, #fff -1.96093px -2.27041px 0px, #fff -1.11013px -2.78704px 0px, #fff -0.137119px -2.99686px 0px, #fff .850987px -2.87677px 0px, #fff 1.74541px -2.43999px 0px, #fff 2.44769px -1.73459px 0px, #fff 2.88051px -0.838246px 0px;background:linear-gradient(0deg, #fff 0%, #fff 55%, rgba(0, 0, 0, 0) 55%, rgba(0, 0, 0, 0) 100%)\"><i class=\"st-fa st-svg-lightbulb-o st-css-no\" aria-hidden=\"\"><\/i>\u653e\u7269\u904b\u52d5<\/p><div class=\"st-in-mybox\">\n<p class=\"has-st-margin-bottom has-st-margin-bottom--1\">\u659c\u3081\u65b9\u5411\u306b\u6253\u3061\u51fa\u3055\u308c\u308b\u7269\u4f53\u306e\u904b\u52d5\u306f\uff0c\u6c34\u5e73\u65b9\u5411\u3068\u925b\u76f4\u65b9\u5411\u3068\u306b\u5206\u89e3\u3057\u3066\u8003\u3048\u308b\u3002<\/p>\n<\/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\">\u901f\u5ea6\u3082\u52a0\u901f\u5ea6\u3082\u5927\u304d\u3055\u3068\u5411\u304d\u304c\u3042\u3063\u305f\u3002\u3053\u308c\u306f\u3064\u307e\u308a\u3069\u3061\u3089\u3082\u30d9\u30af\u30c8\u30eb\u91cf\u3068\u3044\u3046\u3053\u3068\u3002<br>\u6570\u5b66\u3067\u30d9\u30af\u30c8\u30eb\u3092\u6271\u3046\u969b\u306b\u6210\u5206\u3054\u3068\u306b\u8003\u3048\u308b\u306e\u3068\u540c\u69d8\u306b\uff0c\u7269\u7406\u3067\u3082\u901f\u5ea6\u3084\u52a0\u901f\u5ea6\u3092\u6210\u5206\u3054\u3068\u306b\u8003\u3048\u308b\uff0c\u3068\u3044\u3046\u3053\u3068\u306b\u307b\u304b\u306a\u3089\u306a\u3044\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>\u5730\u9762\u304b\u3089 $\\theta$ \u306e\u89d2\u5ea6\u306e\u65b9\u5411\u306b\u5411\u304b\u3063\u3066\uff0c\u521d\u901f\u5ea6 $V_0$ \u3067\u7269\u4f53\u3092\u6253\u3061\u51fa\u3057\u305f\u3002\u7269\u4f53\u306f\u653e\u7269\u7dda\u3092\u63cf\u304d\u306a\u304c\u3089\u904b\u52d5\u3092\u884c\u3044\uff0c\u5730\u9762\u306b\u843d\u4e0b\u3057\u305f\u3002\u7269\u4f53\u3092\u6253\u3061\u51fa\u3057\u305f\u70b9\u304b\u3089\u843d\u4e0b\u5730\u70b9\u307e\u3067\u306e\u6c34\u5e73\u65b9\u5411\u306e\u8ddd\u96e2 $L$ \u3092\u6c42\u3081\u3088\u3002\u305f\u3060\u3057\uff0c\u91cd\u529b\u52a0\u901f\u5ea6\u306e\u5927\u304d\u3055\u3092 $g$ \u3068\u3059\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"244\" height=\"108\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406015-1.svg\" alt=\"\" class=\"wp-image-2418\"\/><noscript><img decoding=\"async\" width=\"244\" height=\"108\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406015-1.svg\" alt=\"\" class=\"wp-image-2418\"\/><\/noscript><\/figure>\n<\/div><\/div>\n\n\n\n<p>\u306a\u3093\u3060\u304b\u4e00\u6c17\u306b\u96e3\u3057\u304f\u306a\u3063\u305f\u306a\u3068\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\uff0c\u3053\u306e\u554f\u984c\u309230\u79d2\u3067\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u76ee\u6a19\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"height:5px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u307e\u305a\u306f\u521d\u901f\u5ea6\u306b\u3064\u3044\u3066\u8003\u3048\u307e\u3059\u304c\uff0c\u3053\u306e\u969b\u3082\u3084\u306f\u308a\u6210\u5206\u3092\u5206\u89e3\u3057\u3066\u8003\u3048\u308b\u3053\u3068\u306b\u306a\u308a\u307e\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>\u305d\u306e\u305f\u3081\u306b\u306f\u307e\u305a\uff0c\u5ea7\u6a19\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\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>\u3053\u3053\u306f\u96e3\u3057\u304f\u8003\u3048\u305a\u306b\uff0c\u6c34\u5e73\u65b9\u5411\u53f3\u5411\u304d\u306b $x$ \u8ef8\u3092\uff0c\u925b\u76f4\u65b9\u5411\u4e0a\u5411\u304d\u306b $y$ \u8ef8\u3092\u53d6\u308c\u3070ok\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"144\" height=\"119\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406016.svg\" alt=\"\" class=\"wp-image-2419\"\/><noscript><img decoding=\"async\" width=\"144\" height=\"119\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406016.svg\" alt=\"\" class=\"wp-image-2419\"\/><\/noscript><\/figure>\n\n\n\n<p>\u521d\u901f\u5ea6\u3092\u5206\u89e3\u3057\u3066\u5f97\u3089\u308c\u308b\u6210\u5206\u3054\u3068\u306e\u901f\u5ea6\u306f\u56f3\u304b\u3089\uff0c$$(v_x,\\,v_y)=(V_0\\cos\\theta,\\ V_0\\sin\\theta)$$\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u52a0\u901f\u5ea6\u306f\u91cd\u529b\u52a0\u901f\u5ea6\u3092\u8003\u3048\u308c\u3070\u3088\u3044\u308f\u3051\u3067\u3059\u304c\uff0c\u3053\u308c\u306f\u925b\u76f4\u4e0b\u5411\u304d\u306b $g$ \u3067\u3059\u3002\u6210\u5206\u3054\u3068\u306b\u8868\u8a18\u3059\u308b\u3068\uff0c$$(a_x,\\,a_y)=(0,\\,-g)$$\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u5148\u306f\uff0c\u305d\u308c\u305e\u308c\u306e\u65b9\u5411\u306b\u5206\u3051\u3066\u904b\u52d5\u3092\u8003\u3048\u3066\u3044\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\">\u925b\u76f4\u65b9\u5411<\/h3>\n\n\n\n<p>$y$ \u8ef8\u65b9\u5411\u3067\u306f\u52a0\u901f\u5ea6\u304c $-g$ \u306e\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3092\u884c\u3044\u307e\u3059\u304c\uff0c\u3053\u308c\u306f<span class=\"st-mymarker-s-b\">\u925b\u76f4\u6295\u3052\u4e0a\u3052\u904b\u52d5\u3068\u5168\u304f\u540c\u3058<\/span>\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p>\u4e0a\u3067\u8003\u3048\u305f\u901a\u308a\uff0c\u521d\u901f\u5ea6\u306f $V_0\\sin\\theta$ \u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading is-style-st-heading-custom-count post-hashiro-countA\">\u6c34\u5e73\u65b9\u5411<\/h3>\n\n\n\n<p>\u6c34\u5e73\u65b9\u5411\u306b\u306f\u52a0\u901f\u3057\u306a\u3044\u306e\u3067\uff0c\u6c34\u5e73\u65b9\u5411\u306e\u52a0\u901f\u5ea6\u306f $0$ \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u52a0\u901f\u5ea6\u304c $0$ \u3068\u3044\u3046\u3053\u3068\u306f\uff0c\u901f\u5ea6\u304c\u5909\u5316\u3057\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306e\u3067\uff0c<span class=\"st-mymarker-s-b\">\u6c34\u5e73\u65b9\u5411\u306b\u306f\u7b49\u901f\u5ea6\u904b\u52d5\u3092\u884c\u3046<\/span>\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u521d\u901f\u5ea6\u306f $V_0\\cos\\theta$ \u3067\u3059\u304b\u3089\uff0c\u305a\u3063\u3068 $v_x=V_0\\cos\\theta$ \u306e\u307e\u307e\u9032\u307f\u7d9a\u3051\u308b\u3053\u3068\u306b\u306a\u308a\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>\u5404\u65b9\u5411\u306e\u904b\u52d5<\/p><div class=\"st-in-mybox\">\n<p>\u925b\u76f4\u65b9\u5411\uff1a\u521d\u901f\u5ea6 $V_0\\sin\\theta$ \u306e\u925b\u76f4\u6295\u3052\u4e0a\u3052\u904b\u52d5\u3068\u5168\u304f\u540c\u3058\u3002<\/p>\n\n\n\n<p>\u6c34\u5e73\u65b9\u5411\uff1a\u901f\u5ea6 $V_0\\cos\\theta$ \u306e\u7b49\u901f\u5ea6\u904b\u52d5\u3092\u884c\u3046\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p>\u3042\u3068\u306f\u305d\u308c\u305e\u308c\u306e\u65b9\u5411\u306b\u3064\u3044\u3066\u6570\u5f0f\u3092\u4f7f\u3063\u3066\u8003\u3048\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">$y$ \u8ef8\u65b9\u5411\u306e\u904b\u52d5<\/h3>\n\n\n\n<p>\u300c\u521d\u901f\u5ea6 $V_0\\sin\\theta$ \u306e\u925b\u76f4\u6295\u3052\u4e0a\u3052\u904b\u52d5\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"103\" height=\"143\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406017.svg\" alt=\"\" class=\"wp-image-2420\"\/><noscript><img decoding=\"async\" width=\"103\" height=\"143\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406017.svg\" alt=\"\" class=\"wp-image-2420\"\/><\/noscript><\/figure>\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>\u524d\u56de\uff0c\u307b\u3068\u3093\u3069\u540c\u3058\u554f\u984c\u3092\u4f8b\u984c\u3067\u6271\u3044\u307e\u3057\u305f\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>\u6700\u9ad8\u70b9\u3067\u306f $v_y=0$ \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>$V_0\\sin\\theta$ \u304c1\u79d2\u306b $g$ \u305a\u3064\u6e1b\u3063\u3066\u3044\u304f\u308f\u3051\u3067\u3059\u304b\u3089\uff0c\u6700\u9ad8\u70b9\u306b\u9054\u3059\u308b\u6642\u523b\u306f $t_1=\\Bun{V_0\\sin\\theta}{g}$ \u3068\u3057\u3066\u6c42\u307e\u308a\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>\u3053\u3053\u307e\u3067\u306e\u8a08\u7b97\u306f\u6697\u7b97\u3067\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>$v-t$ \u30b0\u30e9\u30d5\u3092\u6271\u3063\u305f\u969b\u306b\u8aac\u660e\u3057\u305f\u901a\u308a\uff0c\u925b\u76f4\u6295\u3052\u4e0a\u3052\u904b\u52d5\u306f\u5bfe\u79f0\u6027\u304c\u3088\u304f\uff0c\u300c\u6295\u3052\u4e0a\u3052\u3066\u304b\u3089\u6700\u9ad8\u70b9\u306b\u9054\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u300d\u3068\u300c\u6700\u9ad8\u70b9\u306b\u9054\u3057\u3066\u304b\u3089\u5730\u9762\u306b\u843d\u4e0b\u3059\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u300d\u304c\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3088\u3063\u3066\uff0c\u7269\u4f53\u304c\u5730\u9762\u306b\u843d\u4e0b\u3059\u308b\u6642\u523b\u306f $t_2=2t_1$ \u3067\u3059\u306d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">$x$ \u8ef8\u65b9\u5411\u306e\u904b\u52d5<\/h3>\n\n\n\n<p>\u300c\u901f\u5ea6 $V_0\\cos\\theta$ \u306e\u7b49\u901f\u5ea6\u904b\u52d5\u300d\u3067\u3059\u3002\u6c34\u5e73\u65b9\u5411\u306b\u306f $v_x=V_0\\cos\\theta$ \u3067\u9032\u307f\u7d9a\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"151\" height=\"101\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406018.svg\" alt=\"\" class=\"wp-image-2421\"\/><noscript><img decoding=\"async\" width=\"151\" height=\"101\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406018.svg\" alt=\"\" class=\"wp-image-2421\"\/><\/noscript><\/figure>\n\n\n\n<p>\u7269\u4f53\u304c\u5730\u9762\u306b\u843d\u4e0b\u3059\u308b\u307e\u3067\u306e\u6642\u9593 $t_2$ \u3060\u3051\u3053\u306e\u7b49\u901f\u5ea6\u904b\u52d5\u304c\u7d9a\u304f\u308f\u3051\u3067\u3059\u304b\u3089\uff0c\u6c34\u5e73\u65b9\u5411\u306b\u9032\u3080\u8ddd\u96e2\u306f\uff0c$$L=V_0\\cos\\theta\\cdot t_2=\\bun{2V_0\\!^2\\sin\\theta\\cos\\theta}{g}$$\u3068\u3057\u3066\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>\u4ee5\u4e0a\u306e\u3088\u3046\u306b\uff0c\u610f\u5473\u3092\u8003\u3048\u306a\u304c\u3089\u7acb\u5f0f\u3057\u3066\u3044\u3051\u3070\uff0c\u8907\u96d1\u306a\u8a08\u7b97\u3092\u3059\u308b\u3053\u3068\u306a\u304f\u901f\u3084\u304b\u306b\u7b54\u3048\u304c\u6c42\u307e\u308a\u307e\u3059\u3002\u516c\u5f0f\u3092\u4f7f\u3063\u3066\u89e3\u304f\u306e\u3082\u60aa\u304f\u306f\u306a\u3044\u3067\u3059\u304c\uff0c\u6163\u308c\u3066\u304f\u308b\u3068\u3053\u3061\u3089\u306e\u65b9\u6cd5\u306e\u307b\u3046\u304c\u65ad\u7136\u901f\u304f\u89e3\u3051\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3055\u3066\uff0c\u3042\u3068\u306f\u3053\u308c\u3092\u3057\u3063\u304b\u308a\u7406\u89e3\u3057\u3066\u77ac\u6642\u306b\u89e3\u3051\u308b\u3088\u3046\u306b\u3057\u3066\u3057\u307e\u3048\u3070\u653e\u7269\u904b\u52d5\u306f\u6016\u3044\u3082\u306e\u306a\u3057\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b7\u30f3\u30d7\u30eb\u306a\u624b\u9806\u3067\u8003\u3048\u3089\u308c\u308b\u306e\u3067\uff0c\u3053\u308c\u309230\u79d2\u4ee5\u5185\u306b\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\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>\u6c34\u5e73\u5230\u9054\u8ddd\u96e2\u306e\u8a08\u7b97<\/p><div class=\"st-in-mybox\">\n<p>\u925b\u76f4\u65b9\u5411\u306f\u521d\u901f\u5ea6\u304c $V_0\\sin\\theta$\uff0c\u52a0\u901f\u5ea6 $-g$ \u306e\u7b49\u52a0\u901f\u5ea6\u904b\u52d5\u3092\u3059\u308b\u3002\u6700\u9ad8\u70b9\u307e\u3067\u306e\u6642\u9593\u306f $V_0\\sin\\theta$ \u304c $0$ \u306b\u306a\u308b\u307e\u3067\u306e\u6642\u9593\u306a\u306e\u3067 $\\Bun{V_0\\sin\\theta}{g}$\u3002<\/p>\n\n\n\n<p>\u5730\u9762\u306b\u843d\u4e0b\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u306f\u3053\u308c\u306e $2$ \u500d\u3067 $\\Bun{2V_0\\sin\\theta}{g}$\u3002<\/p>\n\n\n\n<p>\u6c34\u5e73\u65b9\u5411\u306f\u3053\u306e\u9593\u305a\u3063\u3068 $V_0\\cos\\theta$ \u3067\u7b49\u901f\u5ea6\u904b\u52d5\u3092\u884c\u3046\u306e\u3067\uff0c<\/p>\n\n\n\n<p>$$\\begin{aligned}L&amp;=V_0\\cos\\theta\\cdot\\bun{2V_0\\sin\\theta}{g}\\\\[9pt]&amp;=\\bun{2V_0\\!^2\\sin\\theta\\cos\\theta}{g}\\end{aligned}$$<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u653e\u7269\u904b\u52d5\u306e\u307e\u3068\u3081<\/h3>\n\n\n\n<p>\u653e\u7269\u904b\u52d5\u3092\u56f3\u3067\u307e\u3068\u3081\u308b\u3068\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large physicsimg\"><img decoding=\"async\" width=\"394\" height=\"200\" src=\"data:image\/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==\" data-src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406019.svg\" alt=\"\" class=\"wp-image-2422\"\/><noscript><img decoding=\"async\" width=\"394\" height=\"200\" src=\"https:\/\/torisetudy.com\/wp-content\/uploads\/2022\/07\/\u7269\u7406019.svg\" alt=\"\" class=\"wp-image-2422\"\/><\/noscript><\/figure>\n\n\n\n<p>$y$ \u8ef8\u65b9\u5411\u306e\u904b\u52d5\u306f\u925b\u76f4\u6295\u3052\u4e0a\u3052\u904b\u52d5\u3068\u540c\u3058\u3067\uff0c\u975e\u5e38\u306b\u5bfe\u79f0\u6027\u306e\u3088\u3044\u904b\u52d5\u3067\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6c34\u5e73\u65b9\u5411\u306e\u904b\u52d5\u306f\u7b49\u901f\u5ea6\u904b\u52d5\u3067\u3059\u304b\u3089\uff0c\u3053\u308c\u3089\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u653e\u7269\u904b\u52d5\u3082\u975e\u5e38\u306b\u5bfe\u79f0\u6027\u306e\u3088\u3044\u904b\u52d5\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>\u305f\u3068\u3048\u3070\uff0c\u300c\u5730\u9762\u306b\u843d\u4e0b\u3059\u308b\u76f4\u524d\u306e\u7269\u4f53\u306e\u901f\u3055$V$ \u3092\u6c42\u3081\u3088\u300d\u3068\u3044\u3046\u554f\u984c\u304c\u3042\u3063\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u3068\u304d\uff0c\u5bfe\u79f0\u6027\u3092\u8e0f\u307e\u3048\u308b\u3068\u843d\u4e0b\u3059\u308b\u76f4\u524d\u306e\u7269\u4f53\u306e\u901f\u5ea6\u306f\uff0c$$(v_x,\\,v_y)=(V_0\\cos\\theta,\\ -V_0\\sin\\theta)$$\u3067\u3042\u308b\u3053\u3068\u304c\u77ac\u6642\u306b\u308f\u304b\u308b\u306e\u3067\uff0c$$V=\\sqrt{(V_0\\cos\\theta)^2+(-V_0\\sin\\theta)^2}=V_0$$\u3068\u3057\u3066\u901f\u3084\u304b\u306b\u7b54\u3048\u304c\u5f97\u3089\u308c\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\u3053\u307e\u3067\u904b\u52d5\u306e\u5168\u4f53\u50cf\u304c\u898b\u3048\u3066\u304f\u308b\u3068\uff0c\u516c\u5f0f\u3092\u4f7f\u3046\u306e\u304c\u30a2\u30db\u3089\u3057\u304f\u306a\u3063\u3066\u304d\u307e\u305b\u3093\u304b\u2026\uff1f<\/p>\n<\/div><\/div><\/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\" 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