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#0000ff;\">\u56fa\u5b9a\u7aef\u53cd\u5c04\u3067\u306f\u3001\u58c1\u3067\u306e\u6ce2\u306e\u5909\u4f4d\u304c\u5e38\u306b0\u3068\u306a\u308b\u3088\u3046\u306b\u5408\u6210\u6ce2\u3092\u4f5c\u308a\u307e\u3057\u3087\u3046\u3002<\/span>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u81ea\u7531\u7aef\u53cd\u5c04\u3067\u306e\u4eee\u306e\u5165\u5c04\u6ce2\u3092\u53cd\u8ee2\u3055\u305b\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u56fa\u5b9a\u7aef\u53cd\u5c04\u3067\u306e\u4eee\u306e\u5165\u5c04\u6ce2\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/mch6.jpg\" alt=\"\" width=\"600\" height=\"365\" class=\"aligncenter size-full wp-image-9301\" \/><\/p>\n<p>\u305d\u306e\u5f8c\u3001\u56fa\u5b9a\u7aef\u53cd\u5c04\u3067\u306e\u53cd\u5c04\u6ce2\u3092\u63cf\u304d\u3001\u5165\u5c04\u6ce2\u3068\u53cd\u5c04\u6ce2\u3092\u5408\u6210\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308b\u3068\u3001\u5408\u6210\u6ce2\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2>\u5b9a\u5e38\u6ce2\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u7bc0\u3068\u8179<\/h2>\n<p>\u3053\u3053\u307e\u3067\u306e\u5185\u5bb9\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u5b9a\u5e38\u6ce2\u3092\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<span style=\"color: #ff0000;\">\u5b9a\u5e38\u6ce2\u304c\u4f5c\u3089\u308c\u308b\u305f\u3081\u306b\u306f\u3001\u632f\u5e45\u3001\u6ce2\u9577\u3001\u632f\u52d5\u6570\u3001\u6ce2\u306e\u901f\u3055\u304c\u5b8c\u5168\u306b\u4e00\u81f4\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span>\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u5b9a\u5e38\u6ce2\u304c\u4f5c\u3089\u308c\u308b\u3068\u304d\u306f\u307b\u3068\u3093\u3069\u306e\u30b1\u30fc\u30b9\u3067\u53cd\u5c04\u6ce2\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3067\u3059\u3002<\/p>\n<p>\u5165\u5c04\u6ce2\u3068\u53cd\u5c04\u6ce2\u306f\u540c\u3058\u632f\u5e45\u3001\u6ce2\u9577\u3001\u632f\u52d5\u6570\u3001\u901f\u3055\u3067\u3042\u308b\u305f\u3081\u3001\u5b9a\u5e38\u6ce2\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u5b9a\u5e38\u6ce2\u3068\u306f\u4f55\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u540c\u3058\u632f\u5e45\u3001\u6ce2\u9577\u3001\u632f\u52d5\u6570\u3001\u901f\u3055\u3092\u3082\u30642\u3064\u306e\u6ce2\u304c\u5408\u308f\u3055\u308b\u5834\u5408\u3001\u5de6\u53f3\u306b\u79fb\u52d5\u305b\u305a\u3001\u4e0a\u4e0b\u904b\u52d5\u3092\u3059\u308b\u5408\u6210\u6ce2\u3092\u5f97\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u5408\u6210\u6ce2\u3092\u5b9a\u5e38\u6ce2\u3068\u3044\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u304c\u5b9a\u5e38\u6ce2\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/ffkw2.gif\" alt=\"\" width=\"576\" height=\"288\" class=\"aligncenter size-full wp-image-9305\" \/><\/p>\n<p>\u307e\u3063\u305f\u304f\u540c\u30582\u3064\u306e\u6ce2\uff08\u5165\u5c04\u6ce2\u3068\u53cd\u5c04\u6ce2\uff09\u304c\u53cd\u5bfe\u5411\u304d\u3067\u9032\u884c\u3059\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/ffkw4.gif\" alt=\"\" width=\"614\" height=\"150\" class=\"aligncenter size-full wp-image-9306\" \/><\/p>\n<p>\u540c\u3058\u5f62\u30fb\u901f\u3055\u306e2\u3064\u306e\u6ce2\u304c\u91cd\u306a\u308b\u3068\u3001\u5408\u6210\u6ce2\u306f\u5148\u307b\u3069\u63d0\u793a\u3057\u305f\u5b9a\u5e38\u6ce2\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b9a\u5e38\u6ce2\u306f\u53f3\u306b\u3082\u5de6\u306b\u3082\u9032\u3093\u3067\u3044\u306a\u3044\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u305f\u3060\u5b9f\u969b\u306b\u306f\u3001\u5f62\u304c\u540c\u4e00\u3067\u3042\u308b2\u3064\u306e\u6ce2\u304c\u540c\u3058\u901f\u3055\u3067\u9032\u3093\u3067\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u3068\u304d\u3001\u5b9a\u5e38\u6ce2\u3067\u632f\u52d5\u3057\u3066\u3044\u306a\u3044\u90e8\u5206\u3092<span style=\"color: #ff0000;\">\u7bc0\uff08\u3075\u3057\uff09<\/span>\u3068\u3044\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u5b9a\u5e38\u6ce2\u3067\u6700\u3082\u632f\u5e45\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3044\u308b\u90e8\u5206\u3092<span style=\"color: #ff0000;\">\u8179\uff08\u306f\u3089\uff09<\/span>\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/mch7.jpg\" alt=\"\" width=\"344\" height=\"261\" class=\"aligncenter size-full wp-image-9308\" \/><\/p>\n<p>\u81ea\u7531\u7aef\u53cd\u5c04\u3067\u306f\u3001\u5165\u5c04\u6ce2\u3068\u53cd\u5c04\u6ce2\u304c\u5f37\u3081\u5408\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u53cd\u5c04\u70b9\uff08\u58c1\uff09\u306f\u5fc5\u305a\u8179\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u56fa\u5b9a\u7aef\u53cd\u5c04\u3067\u306f\u53cd\u5c04\u70b9\uff08\u58c1\uff09\u306e\u5909\u4f4d\u306f\u5fc5\u305a0\u306b\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u56fa\u5b9a\u7aef\u53cd\u5c04\u3067\u306f\u53cd\u5c04\u70b9\u304c\u5fc5\u305a\u7bc0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u539f\u70b9\u4ee5\u5916\u3067\u306e\u6ce2\u306e\u5f0f\u3092\u5f97\u308b\uff1a\u539f\u70b9\u3068\u306e\u8ddd\u96e2\u3092\u8003\u616e\u3059\u308b<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u5b9a\u5e38\u6ce2\u306e\u5f0f\u3092\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u7279\u5b9a\u306e\u5834\u6240\u3067\u306e\u6ce2\u306e\u9ad8\u3055\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6ce2\u306e\u6027\u8cea\u3092\u5b66\u3093\u3067\u3044\u308b\u5834\u5408\u3001\u539f\u70b9\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3059\u308b\u6b63\u5f26\u6ce2\uff08sin\u03b8\u3067\u8868\u3059\u3053\u3068\u306e\u3067\u304d\u308b\u6ce2\uff09\u306f\u4ee5\u4e0b\u306e\u5f0f\u306b\u306a\u308b\u3053\u3068\u3092\u65e2\u306b\u7406\u89e3\u3057\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(y=Asin\u03c9t=Asin\\displaystyle\\frac{2\u03c0}{T}t\\)<\/li>\n<\/ul>\n<p>\u305f\u3060\u3001\u3053\u306e\u5f0f\u306f\u539f\u70b9\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3059\u308b\u3068\u304d\u306e\\(y\\)\u5ea7\u6a19\u3092\u5f97\u308b\u5f0f\u3067\u3059\u3002\u305d\u308c\u3067\u306f\u539f\u70b9\u4ee5\u5916\u306e\u70b9\u306b\u3064\u3044\u3066\u3001\u5f0f\u3092\u8868\u3059\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u4f8b\u3048\u3070\u3001\u4e0b\u56f3\u306e\\(x_1\\)\u306b\u3064\u3044\u3066\u3001\\(y\\)\u5ea7\u6a19\u3092\u8868\u3059\u5f0f\uff08\\(y_1\\)\u306e\u5f0f\uff09\u306f\u3069\u306e\u3088\u3046\u306b\u8a18\u305b\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/mch11.jpg\" alt=\"\" width=\"439\" height=\"271\" class=\"aligncenter size-full wp-image-9314\" \/><\/p>\n<p>\u307e\u305a\u3001\u6ce2\u306e\u901f\u3055\u304c\\(v\\)\u3067\u3042\u308a\u3001\u8ddd\u96e2\\(x_1\\)\u3078\u79fb\u52d5\u3059\u308b\u305f\u3081\u306b\u304b\u304b\u308b\u6642\u9593\\(t_1\\)\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u6ce2\u306f\u7b49\u901f\u3067\u52d5\u304f\u305f\u3081\u3001\\(v\u00d7t_1=x_1\\)\u3068\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u5f0f\u3092\u5909\u5f62\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(v\u00d7t_1=x_1\\)<\/p>\n<p>\\(t_1=\\displaystyle\\frac{x_1}{v}\\)<\/p>\n<p>\u3064\u307e\u308a\\(x=0\\)\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3057\u305f\u5f8c\u3001\\(t_1=\\displaystyle\\frac{x_1}{v}\\)\u79d2\u5f8c\u306b\u6ce2\u306f\\(x_1\\)\u3078\u5230\u7740\u3057\u307e\u3059\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u3001<span style=\"color: #0000ff;\">\\(x_1\\)\u306e\u4f4d\u7f6e\u306b\u3042\u308b\u6ce2\u3068\u3044\u3046\u306e\u306f\u3001\\(\\displaystyle\\frac{x_1}{v}\\)\u79d2\u524d\u306b\u306f\u5ea7\u6a19\uff08\\(0,y_1\\)\uff09\u306b\u5b58\u5728\u3057\u3066\u3044\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<p>\u7406\u89e3\u3057\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u3001\u5177\u4f53\u7684\u306a\u6570\u5b57\u3067\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4f8b\u3048\u30702m\/s\u3067\u9032\u3080\u6ce2\u306b\u3064\u3044\u3066\u3001\u6642\u523b\\(t=10\\)s\u3067\\(x=6\\)m\u306e\u3068\u304d\u306e\u5909\u4f4d\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u30021\u79d2\u30672m\u9032\u3080\u305f\u3081\u30016m\u306e\u5834\u6240\u3078\u884c\u304f\u306b\u306f3\u79d2\u304b\u304b\u308a\u307e\u3059\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u30013\u79d2\u524d\uff08\u6642\u523b7s\u306e\u3068\u304d\uff09\u306f\\(x=0\\)\u306e\u5834\u6240\u306b\u6ce2\u304c\u5b58\u5728\u3057\u3066\u3044\u305f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/mch13.jpg\" alt=\"\" width=\"600\" height=\"531\" class=\"aligncenter size-full wp-image-9316\" \/><\/p>\n<p>\u3064\u307e\u308a\u6642\u523b10s\u3067\\(x=6\\)m\u306e\u5909\u4f4d\u3092\u6c42\u3081\u308b\u306e\u3068\u3001\u6642\u523b7s\u3067\\(x=0\\)\u306e\u5909\u4f4d\u3092\u6c42\u3081\u308b\u306e\u306f\u610f\u5473\u304c\u540c\u3058\u3067\u3059\u3002<\/p>\n<p>\u5143\u3005\u306e\u5f0f\u306f\\(y=Asin\u03c9t\\)\u3067\u3042\u308a\u3001\u3053\u306e\u5f0f\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\\(x=0\\)\u3001\u304b\u3064\u6642\u523b\\(t=10\\)s\u306e\\(y\\)\u5ea7\u6a19\u3092\u5f97\u3089\u308c\u307e\u3059\u3002\\(t=10\\)\u306a\u306e\u3067\u3001\u5f0f\u306f\\(y=Asin10\u03c9\\)\u3067\u3059\u3002\u305f\u3060\u79c1\u305f\u3061\u304c\u77e5\u308a\u305f\u3044\u306e\u306f\u3001\\(x=0\\)\u3001\u304b\u3064\u6642\u523b\\(10-3=7\\)s\u306e\\(y\\)\u5ea7\u6a19\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\\(y=Asin7\u03c9\\)\u3068\u3057\u307e\u3059\u3002\u524d\u8ff0\u306e\u901a\u308a\u3001\u6642\u523b7\u79d2\u306e\u3068\u304d\u3001\\(x=0\\)\u306e\u5909\u4f4d\u3092\u8a08\u7b97\u3059\u308c\u3070\u3001\u6642\u523b\\(t=10\\)\u306e\u3068\u304d\u306e\\(y\\)\u5ea7\u6a19\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306f\u3001\u3053\u308c\u3092\u8a18\u53f7\u3067\u8868\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u6642\u523b\\(t\\)\u3001\\(x=0\\)\u306e\u5909\u4f4d\u306f\u524d\u8ff0\u306e\u901a\u308a\u3001\\(y=Asin\u03c9t\\)\u3067\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u65b9\u3001\u6642\u523b\\(t\\)\u3001\\(x=x_1\\)\u306e\u5909\u4f4d\u3068\u3044\u3046\u306e\u306f\u3001\\(\\displaystyle\\frac{x_1}{v}\\)\u79d2\u524d\uff08\u6642\u523b\\(t-\\displaystyle\\frac{x_1}{v}\\)\u79d2\u306e\u3068\u304d\uff09\u3067\u306f\u3001\\(x=0\\)\u306b\u4f4d\u7f6e\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/mch14.jpg\" alt=\"\" width=\"600\" height=\"489\" class=\"aligncenter size-full wp-image-9319\" \/><\/p>\n<p>\u305d\u3053\u3067\\(x=0\\)\u3067\u306e\u5909\u4f4d\u3092\u8868\u3059\u305f\u3081\u3001\\(y=Asin\u03c9t\\)\u306e\\(t\\)\u3092\\(t-\\displaystyle\\frac{x_1}{v}\\)\u306b\u5909\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\\(y=Asin\u03c9\\left(t-\\displaystyle\\frac{x_1}{v}\\right)\\)<\/li>\n<\/ul>\n<p>\u3053\u308c\u304c\u3001\u6642\u523b\\(t\\)\u304b\u3064\\(x_1\\)\u3067\u306e\\(y\\)\u5ea7\u6a19\u3092\u8868\u3059\u5f0f\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\\(\u03c9T=2\u03c0\\)\u3067\u3042\u308b\u305f\u3081\u3001\\(y=Asin\u03c9t\\)\u306f\\(y=Asin\\displaystyle\\frac{2\u03c0}{T}t\\)\u3067\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\\(t\\)\u3092\\(t-\\displaystyle\\frac{x_1}{v}\\)\u306b\u5909\u3048\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(y=Asin\\displaystyle\\frac{2\u03c0}{T}\\left(t-\\displaystyle\\frac{x_1}{v}\\right)\\)<\/p>\n<p>\\(y=Asin2\u03c0\\left(\\displaystyle\\frac{t}{T}-\\displaystyle\\frac{x_1}{vT}\\right)\\)<\/p>\n<p>\\(y=Asin2\u03c0\\left(\\displaystyle\\frac{t}{T}-\\displaystyle\\frac{x_1}{\u03bb}\\right)\\)<\/p>\n<p>\u306a\u304a\u6ce2\u306e\u5f0f\u306f\\(y=Asin\u03c9t\\)\u3067\u306f\u306a\u304f\u3001\\(y=-Asin\u03c9t\\)\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308c\u3070\u3001\\(y=Acos\u03c9t\\)\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3067\u3042\u3063\u3066\u3082\u3001\\(t\\)\u3092\\(t-\\displaystyle\\frac{x_1}{v}\\)\u306b\u5909\u3048\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\\(x=x_1\\)\u3067\u306e\u5909\u4f4d\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<h3>\u5b9a\u5e38\u6ce2\u306e\u5f0f\u306f2\u3064\u306e\u6ce2\u3092\u8db3\u305b\u3070\u3044\u3044<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u6ce2\u306e\u5f0f\u3092\u5229\u7528\u3057\u3066\u5b9a\u5e38\u6ce2\u306e\u5f0f\u3092\u5f97\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u6982\u5ff5\u306f\u5358\u7d14\u3067\u3042\u308a\u30012\u3064\u306e\u6ce2\u3092\u8db3\u3057\u307e\u3057\u3087\u3046\u3002\\(y\\)\u8ef8\u65b9\u5411\u3067\u306f\u30012\u3064\u306e\u6ce2\u3092\u8db3\u3059\u3053\u3068\u306b\u3088\u3063\u3066\u5408\u6210\u6ce2\uff08\u5b9a\u5e38\u6ce2\uff09\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u4e0b\u56f3\u306b\u3064\u3044\u3066\u3001\u30aa\u30ec\u30f3\u30b8\u306e\u6ce2\u3092\\(y_1=Asin\u03c9\\left(t-\\displaystyle\\frac{x}{v}\\right)\\)\u3001\u7dd1\u306e\u6ce2\u3092\\(y_2=Asin\u03c9\\left(t+\\displaystyle\\frac{x}{v}\\right)\\)\u3068\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/08\/ffkw4.gif\" alt=\"\" width=\"614\" height=\"150\" class=\"aligncenter size-full wp-image-9306\" \/><\/p>\n<p>\u305d\u3053\u3067\u3001\u5b9a\u5e38\u6ce2\u306e\u5f0f\u3092\u5f97\u308b\u305f\u3081\u306b\u4ee5\u4e0b\u306e\u8a08\u7b97\u3092\u3057\u307e\u3059\u3002<\/p>\n<p>\\(y=y_1+y_2\\)<\/p>\n<p>\\(=Asin\u03c9\\left(t-\\displaystyle\\frac{x}{v}\\right)+Asin\u03c9\\left(t+\\displaystyle\\frac{x}{v}\\right)\\)<\/p>\n<p>\u3053\u3053\u3067\u3001\u4ee5\u4e0b\u306e\u4e09\u89d2\u95a2\u6570\u306e\u516c\u5f0f\u3092\u5229\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\\(sin\u03b1+sin\u03b2\\)\\(=2sin\\displaystyle\\frac{\u03b1+\u03b2}{2}cos\\displaystyle\\frac{\u03b1-\u03b2}{2}\\)<\/li>\n<\/ul>\n<p>\u8a08\u7b97\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(y=Asin\u03c9\\left(t-\\displaystyle\\frac{x}{v}\\right)+Asin\u03c9\\left(t+\\displaystyle\\frac{x}{v}\\right)\\)<\/p>\n<p>\\(=2A\\)\\(sin\\displaystyle\\frac{\u03c9\\left(t-\\displaystyle\\frac{x}{v}\\right)+\u03c9\\left(t+\\displaystyle\\frac{x}{v}\\right)}{2}\\)\\(cos\\displaystyle\\frac{\u03c9\\left(t-\\displaystyle\\frac{x}{v}\\right)-\u03c9\\left(t+\\displaystyle\\frac{x}{v}\\right)}{2}\\)<\/p>\n<p>\\(=2Asin(\u03c9t)cos\\left(\\displaystyle\\frac{\u03c9x}{v}\\right)\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u5b9a\u5e38\u6ce2\u306e\u5f0f\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h3>\u5b9a\u5e38\u6ce2\u306e\u5f0f\u3092\u5229\u7528\u3057\u3001\u7bc0\u306e\u5834\u6240\u3092\u8a08\u7b97\u3059\u308b<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u5148\u307b\u3069\u5f97\u305f\u5b9a\u5e38\u6ce2\u306e\u5f0f\u3092\u5229\u7528\u3057\u3066\u3001\u7bc0\u3068\u8179\u306e\u5834\u6240\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u7bc0\u3068\u3044\u3046\u306e\u306f\u3001\u6642\u9593\\(t\\)\u306b\u95a2\u4fc2\u306a\u304f\\(y=0\\)\u306b\u306a\u308b\u5834\u6240\u3092\u6307\u3057\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u4ee5\u4e0b\u306e\u5f0f\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\\(y=2Asin(\u03c9t)cos\\left(\\displaystyle\\frac{\u03c9x}{v}\\right)\\)<\/li>\n<\/ul>\n<p>\u3053\u306e\u5f0f\u3088\u308a\u3001\u6642\u9593\\(t\\)\u306b\u95a2\u4fc2\u306a\u304f\\(y=0\\)\u3068\u306a\u308b\u305f\u3081\u306b\u306f\u3001\\(cos\\displaystyle\\frac{\u03c9x}{v}=0\\)\u3067\u3042\u308c\u3070\u3044\u3044\u3068\u308f\u304b\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\\(\\displaystyle\\frac{\u03c9x}{v}=\\displaystyle\\frac{\u03c0}{2}\\)\u3084\\(\\displaystyle\\frac{\u03c9x}{v}=\\displaystyle\\frac{3\u03c0}{2}\\)\u306e\u5834\u5408\u3001cos\u03b8\u306e\u5024\u306f\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6570\u5b66\u3068\u540c\u69d8\u306b\u8a18\u3059\u3068\u3001\u4ee5\u4e0b\u306e\u3068\u304d\u306bcos\u03b8\u306e\u5024\u306f\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(\\displaystyle\\frac{\u03c9x}{v}=\\displaystyle\\frac{\u03c0}{2}+n\u03c0\\)<\/li>\n<\/ul>\n<p>\u203b\\(n\\)\u306f\u6574\u6570<\/p>\n<p>\u306a\u304a\\(\u03c9T=2\u03c0\\)\u3088\u308a\u3001\\(\u03c9=\\displaystyle\\frac{2\u03c0}{T}\\)\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5f0f\u3092\u5909\u5f62\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(\\displaystyle\\frac{\u03c9x}{v}=\\displaystyle\\frac{\u03c0}{2}+n\u03c0\\)<\/p>\n<p>\\(\\displaystyle\\frac{2\u03c0x}{vT}=\\displaystyle\\frac{\u03c0}{2}+n\u03c0\\)<\/p>\n<p>\\(\\displaystyle\\frac{2x}{vT}=\\displaystyle\\frac{1}{2}+n\\)<\/p>\n<p>\\(x=\\displaystyle\\frac{vT(1+2n)}{4}\\)<\/p>\n<p>\u307e\u305f\\(v=f\u03bb\\)\u3068\\(f=\\displaystyle\\frac{1}{T}\\)\u3088\u308a\u3001\\(vT=\u03bb\\)\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u5f0f\u3092\u4f5c\u308c\u307e\u3059\u3002<\/p>\n<p>\\(x=\\displaystyle\\frac{1+2n}{4}\u03bb\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u7bc0\u306e\u4f4d\u7f6e\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u96a3\u308a\u5408\u3046\u7bc0\u306e\u9593\u9694\u3092\u8a08\u7b97\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\\(n\\)\u756a\u76ee\u3068\\(n+1\\)\u756a\u76ee\u306e\u7bc0\u306e\u9593\u9694\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(\\displaystyle\\frac{1+2(n+1)}{4}\u03bb\\)\\(-\\displaystyle\\frac{1+2n}{4}\u03bb\\)<\/p>\n<p>\\(=\\displaystyle\\frac{\u03bb}{2}\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001<span style=\"color: #0000ff;\">\u7bc0\u306e\u9593\u9694\u306f\\(\\displaystyle\\frac{\u03bb}{2}\\)\u3068\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/span>\u7269\u7406\u3067\u6ce2\u52d5\u3092\u5b66\u3076\u3068\u304d\u3001\u6ce2\u9577\\(\u03bb\\)\u306b\u5bfe\u3057\u3066\u3001\u7bc0\u306e\u9593\u9694\u306f\\(\\displaystyle\\frac{\u03bb}{2}\\)\u306b\u306a\u308b\u3068\u5b66\u3073\u307e\u3059\u3002\u305f\u3060\u3001\u591a\u304f\u306e\u4eba\u306f\u7406\u7531\u3092\u5b66\u3073\u307e\u305b\u3093\u3002\u305d\u3053\u3067\u3053\u306e\u3088\u3046\u306b\u8a08\u7b97\u3059\u308b\u3068\u3001\u306a\u305c\u7bc0\u306e\u9593\u9694\u304c\\(\\displaystyle\\frac{\u03bb}{2}\\)\u306a\u306e\u304b\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u524d\u8ff0\u306e\u901a\u308a\u3001\u540c\u3058\u632f\u5e45\u3001\u6ce2\u9577\u3001\u632f\u52d5\u6570\u3001\u901f\u3055\u306e\u6ce2\u304c\u91cd\u306a\u308b\u3068\u304d\u306b\u5b9a\u5e38\u6ce2\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u4f8b\u3048\u3070\u56fa\u5b9a\u7aef\u53cd\u5c04\u3067\u6ce2\u9577\u304c10m\u306e\u5834\u5408\u3001\u58c1\u306b\u5fc5\u305a\u7bc0\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u58c1\u304b\u30895m\u304a\u304d\u306b\u7bc0\u304c\u4f5c\u3089\u308c\u308b\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h3>\u5b9a\u5e38\u6ce2\u3067\u8179\u306e\u9593\u9694\u306f\\(\\displaystyle\\frac{\u03bb}{2}\\)\u306b\u306a\u308b<\/h3>\n<p>\u6b21\u306b\u3001\u8179\u306e\u9593\u9694\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\u5b9a\u5e38\u6ce2\u306e\u5f0f\u3092\u518d\u3073\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(y=2Asin(\u03c9t)cos\\left(\\displaystyle\\frac{\u03c9x}{v}\\right)\\)<\/li>\n<\/ul>\n<p>\u3053\u306e\u5f0f\u3088\u308a\u3001\u6642\u9593\\(t\\)\u306b\u95a2\u4fc2\u306a\u304f\\(y\\)\u304c\u6700\u5927\u307e\u305f\u306f\u6700\u5c0f\u3068\u306a\u308b\u305f\u3081\u306b\u306f\u3001\\(cos\\displaystyle\\frac{\u03c9x}{v}=\u00b11\\)\u3067\u3042\u308c\u3070\u3044\u3044\u3068\u308f\u304b\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\\(\\displaystyle\\frac{\u03c9x}{v}=0\\)\u3084\\(\\displaystyle\\frac{\u03c9x}{v}=\u03c0\\)\u306e\u5834\u5408\u3001cos\u03b8\u306e\u5024\u306f1\u307e\u305f\u306f-1\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u3068\u304d\u306bcos\u03b8\u306e\u5024\u306f1\u307e\u305f\u306f-1\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(\\displaystyle\\frac{\u03c9x}{v}=n\u03c0\\)<\/p>\n<p>\u203b\\(n\\)\u306f\u6574\u6570<\/p>\n<p>\u305d\u3053\u3067\u3001\u5148\u307b\u3069\u89e3\u8aac\u3057\u305f\u65b9\u6cd5\u3068\u540c\u3058\u3088\u3046\u306b\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002\\(\u03c9=\\displaystyle\\frac{2\u03c0}{T}\\)\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(\\displaystyle\\frac{\u03c9x}{v}=n\u03c0\\)<\/p>\n<p>\\(\\displaystyle\\frac{2\u03c0x}{vT}=n\u03c0\\)<\/p>\n<p>\\(x=\\displaystyle\\frac{nvT}{2}\\)<\/p>\n<p>\u307e\u305f\\(vT=\u03bb\\)\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(x=\\displaystyle\\frac{\u03bb}{2}n\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u5b9a\u5e38\u6ce2\u3067\u8179\u3068\u306a\u308b\u5834\u6240\u3092\u8a08\u7b97\u3067\u304d\u307e\u3057\u305f\u3002\u6b21\u306b\u3001\u8179\u3068\u8179\u306e\u9593\u9694\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\(\\displaystyle\\frac{\u03bb}{2}(n+1)-\\displaystyle\\frac{\u03bb}{2}n\\)<\/p>\n<p>\\(=\\displaystyle\\frac{\u03bb}{2}\\)<\/p>\n<p>\u3053\u3046\u3057\u3066\u3001\u8179\u306b\u3064\u3044\u3066\u3082\\(\\displaystyle\\frac{\u03bb}{2}\\)\u306e\u9593\u9694\u3067\u51fa\u73fe\u3059\u308b\u3068\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u81ea\u7531\u7aef\u53cd\u5c04\u3067\u6ce2\u9577\u304c10m\u306e\u5834\u5408\u3001\u58c1\u306b\u8179\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u58c1\u304b\u30895m\u304a\u304d\u306b\u8179\u304c\u4f5c\u3089\u308c\u307e\u3059\u3002\u307e\u305f\u7bc0\u306f\u8179\u3068\u8179\u306e\u4e2d\u70b9\u306b\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u7bc0\u306e\u5834\u6240\u306f2.5m\u30017.5m\u306e\u3088\u3046\u306b\u30012.5m\u3092\u57fa\u6e96\u306b\u3057\u30665m\u304a\u304d\u306b\u5f62\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u5f0f\u3092\u78ba\u8a8d\u3059\u308c\u3070\u3001\u5b9a\u5e38\u6ce2\u306e\u6027\u8cea\u3092\u7406\u89e3\u3067\u304d\u307e\u3059\u3002\u7269\u7406\u306f\u81ea\u7136\u73fe\u8c61\u3092\u5b66\u3076\u5b66\u554f\u3067\u3042\u308a\u3001\u306a\u305c\u3053\u308c\u3089\u306e\u73fe\u8c61\u304c\u8d77\u3053\u308b\u306e\u304b\u3001\u6570\u5f0f\u304b\u3089\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u5408\u6210\u6ce2\u3084\u5b9a\u5e38\u6ce2\u306e\u5f0f\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<p>\u6ce2\u306b\u306f\u72ec\u7acb\u6027\u304c\u3042\u308a\u30012\u3064\u4ee5\u4e0a\u306e\u6ce2\u304c\u3042\u308b\u3068\u8db3\u3057\u7b97\u306b\u3088\u3063\u3066\u9ad8\u3055\u306e\u8a08\u7b97\u3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