{"id":398,"date":"2023-06-19T14:30:14","date_gmt":"2023-06-19T14:30:14","guid":{"rendered":"https:\/\/physigeek.com\/cn\/%e4%b8%ad%e9%80%9f4\/"},"modified":"2023-06-19T14:30:14","modified_gmt":"2023-06-19T14:30:14","slug":"%e4%b8%ad%e9%80%9f4","status":"publish","type":"post","link":"https:\/\/physigeek.com\/cn\/%e4%b8%ad%e9%80%9f4\/","title":{"rendered":"\u5e73\u5747\u901f\u5ea6"},"content":{"rendered":"<p>\u672c\u6587\u89e3\u91ca\u4e86\u7269\u7406\u5b66\u4e2d\u7684\u5e73\u5747\u901f\u5ea6\u3002\u56e0\u6b64\uff0c\u60a8\u5c06\u4e86\u89e3\u5982\u4f55\u8ba1\u7b97\u5e73\u5747\u901f\u5ea6\uff0c\u4ee5\u53ca\u8ba1\u7b97\u79fb\u52a8\u7535\u8bdd\u5e73\u5747\u901f\u5ea6\u7684\u5df2\u89e3\u51b3\u7ec3\u4e60\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-la-velocidad-media\"><\/span>\u5e73\u5747\u901f\u5ea6\u662f\u591a\u5c11\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u5e73\u5747\u901f\u5ea6<\/strong>\u662f\u8fd0\u52a8\u7269\u4f53\u5728\u6574\u4e2a\u8def\u5f84\u4e0a\u4ee5\u6052\u5b9a\u901f\u5ea6\u8fd0\u52a8\u65f6\u7684\u8fd0\u52a8\u901f\u5ea6\u3002\u56e0\u6b64\uff0c\u5e73\u5747\u901f\u5ea6\u662f\u901a\u8fc7\u4f4d\u79fb\u9664\u4ee5\u7ecf\u8fc7\u7684\u65f6\u95f4\u95f4\u9694\u6765\u8ba1\u7b97\u7684\u3002<\/p>\n<p>\u5e73\u5747\u901f\u5ea6\u7684\u7b26\u53f7\u662f v <sub>m<\/sub> \u3002<\/p>\n<p>\u4e0e\u4efb\u4f55\u7c7b\u578b\u7684\u901f\u5ea6\u4e00\u6837\uff0c\u5e73\u5747\u901f\u5ea6\u7684\u5355\u4f4d\u662f\u957f\u5ea6\u5355\u4f4d\u9664\u4ee5\u65f6\u95f4\u5355\u4f4d\u3002\u56e0\u6b64\uff0c\u56fd\u9645\u5355\u4f4d\u5236\uff08SI\uff09\u4e2d\u5e73\u5747\u901f\u5ea6\u7684\u5355\u4f4d\u662f\u7c73\u6bcf\u79d2\uff08m\/s\uff09\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5e73\u5747\u901f\u5ea6\u53ea\u8003\u8651\u4e86\u4f4d\u79fb\uff0c\u5373\u7ec8\u70b9\u4e0e\u8d77\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002\u4e0d\u8003\u8651\u79fb\u52a8\u8bbe\u5907\u79fb\u52a8\u7684\u8ddd\u79bb\uff0c\u5b83\u53ef\u80fd\u4e0e\u6240\u505a\u7684\u79fb\u52a8\u4e0d\u540c\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-de-la-velocidad-media\"><\/span>\u5e73\u5747\u901f\u5ea6\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5e73\u5747\u901f\u5ea6\u7b49\u4e8e\u4f4d\u79fb (\u0394x) \u9664\u4ee5\u7ecf\u8fc7\u7684\u65f6\u95f4\u95f4\u9694 (\u0394t)\u3002\u56e0\u6b64\uff0c\u8981\u8ba1\u7b97\u5e73\u5747\u901f\u5ea6\uff0c\u6700\u7ec8\u4f4d\u7f6e\u548c\u521d\u59cb\u4f4d\u7f6e\u4e4b\u95f4\u7684\u5dee\u503c\u5fc5\u987b\u9664\u4ee5\u6700\u7ec8\u65f6\u523b\u548c\u521d\u59cb\u65f6\u523b\u4e4b\u95f4\u7684\u5dee\u503c (v <sub>m<\/sub> = \u0394x\/\u0394t)\u3002<\/p>\n<p>\u56e0\u6b64\uff0c<strong>\u5e73\u5747\u901f\u5ea6\u7684\u8ba1\u7b97\u516c\u5f0f<\/strong>\u5982\u4e0b\uff1a <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/vitesse-moyenne-1.png\" alt=\"\u5e73\u5747\u901f\u5ea6\u516c\u5f0f\" class=\"wp-image-7399\" width=\"209\" height=\"210\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/vitesse-moyenne-1-298x300.png 298w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/vitesse-moyenne-1-150x150.png 150w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/vitesse-moyenne-1.png 395w\" sizes=\"auto, (max-width: 298px) 100vw, 298px\"><\/figure>\n<p style=\"margin-bottom:5px\">\u91d1\u5b50\uff1a <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-9b0ecc0aeba3ba5faa3c109bd7552d5c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v_m\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"21\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u662f\u5e73\u5747\u901f\u5ea6\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-e936d3a449e3ecae93ebb5ae1e61feac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\Delta x\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"25\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u504f\u79fb\u91cf\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-819ab50990df5adf82bea9dfa75ffff2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\Delta t\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"21\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u65f6\u95f4\u53d8\u5316\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-5aeb431aea5ca3372dbd215fd619e3dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x_f\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"18\" style=\"vertical-align: -6px;\"><\/p>\n<p>\u662f\u6700\u7ec8\u4f4d\u7f6e\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-dad27a9703483183e1afd245f5232b83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"15\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u662f\u8d77\u59cb\u4f4d\u7f6e\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-82d36af17e232807e56da9ccdbbda0d8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t_f\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"14\" style=\"vertical-align: -6px;\"><\/p>\n<p>\u662f\u6700\u540e\u65f6\u523b\u4e86\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-bf289b768173104db12fe7044c723db4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t_i\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"11\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u662f\u521d\u59cb\u65f6\u523b\u3002 <\/span><\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplo-del-calculo-de-la-velocidad-media\"><\/span>\u5e73\u5747\u901f\u5ea6\u8ba1\u7b97\u793a\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u73b0\u5728\u6211\u4eec\u77e5\u9053\u4e86\u5e73\u5747\u901f\u5ea6\u7684\u5b9a\u4e49\u53ca\u5176\u516c\u5f0f\u662f\u4ec0\u4e48\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50\u6765\u8bf4\u660e\u5982\u4f55\u8ba1\u7b97\u8fd9\u79cd\u7c7b\u578b\u7684\u901f\u5ea6\u3002<\/p>\n<ul>\n<li>\u79fb\u52a8\u4f53\u5728\u65f6\u95f4 t <sub>i<\/sub> =3 s \u65f6\u5904\u4e8e\u4f4d\u7f6e x <sub>i<\/sub> =2 m\uff0c\u5728\u65f6\u95f4 t <sub>f<\/sub> =6 s \u65f6\u5904\u4e8e\u4f4d\u7f6e x <sub>f<\/sub> =8 m\uff0c\u5176\u5e73\u5747\u901f\u5ea6\u662f\u591a\u5c11\uff1f<\/li>\n<\/ul>\n<p>\u8981\u627e\u5230\u5e73\u5747\u901f\u5ea6\u7684\u503c\uff0c\u60a8\u5fc5\u987b\u4f7f\u7528\u4e0a\u9762\u7684\u516c\u5f0f\uff1a<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-cab169a5ae3592f9cfca59d9946da681_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v_m=\\cfrac{\\Delta x}{\\Delta t}=\\cfrac{x_f-x_i}{t_f-t_i}\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"155\" style=\"vertical-align: -18px;\"><\/p>\n<\/p>\n<p>\u4e8e\u662f\u6211\u4eec\u5c06\u6570\u636e\u4ee3\u5165\u516c\u5f0f\uff0c\u8ba1\u7b97\u51fa\u8fd0\u52a8\u4f53\u7684\u5e73\u5747\u901f\u5ea6\uff1a <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-5f96d1a55f799225adc270e8ac800c15_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v_m=\\cfrac{8-2}{6-3}=\\cfrac{6}{3}=2\\ \\cfrac{m}{s}\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"177\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Velocidad-media-y-velocidad-instantanea\"><\/span>\u5e73\u5747\u901f\u5ea6\u548c\u77ac\u65f6\u901f\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4e86\u89e3\u5e73\u5747\u901f\u5ea6\u548c\u77ac\u65f6\u901f\u5ea6\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u8fd0\u52a8\u5b66\u4e2d\u5e38\u7528\u7684\u4e24\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u901f\u5ea6\u3002<\/p>\n<p><strong>\u77ac\u65f6\u901f\u5ea6<\/strong>\u662f\u8fd0\u52a8\u7269\u4f53\u5728\u7ed9\u5b9a\u65f6\u523b\u7684\u901f\u5ea6\u3002\u56e0\u6b64\uff0c\u7269\u4f53\u5728\u6bcf\u4e2a\u77ac\u95f4\u53ef\u4ee5\u5177\u6709\u4e0d\u540c\u7684\u77ac\u65f6\u901f\u5ea6\u3002<\/p>\n<p>\u56e0\u6b64\uff0c<strong>\u5a92\u4f53\u901f\u5ea6\u548c\u77ac\u65f6\u901f\u5ea6\u7684\u533a\u522b\u5728\u4e8e<\/strong>\uff0c\u5a92\u4f53\u901f\u5ea6\u662f\u6307\u5982\u679c\u79fb\u52a8\u5230\u5300\u901f\u5219\u503e\u5411\u4e8e\u4fdd\u6301\u7ebf\u7d22\u7684\u901f\u5ea6\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u77ac\u65f6\u901f\u5ea6\u662f\u5728\u77ac\u95f4\u4fdd\u6301\u7ebf\u7d22\u7684\u901f\u5ea6\u786e\u5b9a\u65f6\u95f4\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u8ba1\u7b97\u5e73\u5747\u901f\u5ea6\u65f6\uff0c\u5047\u8bbe\u6574\u4e2a\u884c\u7a0b\u7684\u901f\u5ea6\u662f\u6052\u5b9a\u7684\uff0c\u800c\u53ef\u4ee5\u8ba1\u7b97\u6bcf\u4e2a\u77ac\u95f4\u7684\u77ac\u65f6\u901f\u5ea6\u3002 <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span><strong>\u67e5\u770b\uff1a<\/strong><a href=\"https:\/\/physigeek.com\/cn\">\u4ec0\u4e48\u662f\u77ac\u65f6\u901f\u5ea6\uff1f<\/a> <\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Velocidad-media-y-velocidad-promedio\"><\/span>\u5e73\u5747\u901f\u5ea6\u548c\u5e73\u5747\u901f\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u5c06\u4e86\u89e3\u5e73\u5747\u901f\u5ea6\u548c\u5e73\u5747\u901f\u5ea6\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u4e24\u4e2a\u7ecf\u5e38\u6df7\u6dc6\u7684\u7269\u7406\u6982\u5ff5\u3002<\/p>\n<p><strong>\u5e73\u5747\u901f\u5ea6<\/strong>\u662f\u8fd0\u52a8\u7269\u4f53\u5728\u4e24\u4e2a\u4e0d\u540c\u65f6\u523b\u7684\u901f\u5ea6\u7684\u7b97\u672f\u5e73\u5747\u503c\u3002\u56e0\u6b64\uff0c\u5e73\u5747\u901f\u5ea6\u7b49\u4e8e\u6700\u7ec8\u901f\u5ea6\u52a0\u4e0a\u521d\u59cb\u901f\u5ea6\u4e4b\u548c\u9664\u4ee5\u4e8c\u3002<\/p>\n<p>\u56e0\u6b64<strong>\uff0c\u5e73\u5747\u901f\u5ea6\u548c\u5e73\u5747\u901f\u5ea6\u4e4b\u95f4\u7684\u5dee\u5f02<\/strong>\u5728\u4e8e\uff0c\u5e73\u5747\u901f\u5ea6\u662f\u6839\u636e\u6240\u8fdb\u884c\u7684\u79fb\u52a8\u8ba1\u7b97\u7684\uff0c\u53e6\u4e00\u65b9\u9762\uff0c\u5e73\u5747\u901f\u5ea6\u662f\u6839\u636e\u6700\u7ec8\u901f\u5ea6\u548c\u521d\u59cb\u901f\u5ea6\u8ba1\u7b97\u7684\u3002 <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span><strong>\u53c2\u89c1\uff1a<\/strong><a href=\"https:\/\/physigeek.com\/cn\">\u5e73\u5747\u901f\u5ea6\u516c\u5f0f<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u89e3\u91ca\u4e86\u7269\u7406\u5b66\u4e2d\u7684\u5e73\u5747\u901f\u5ea6\u3002\u56e0\u6b64\uff0c\u60a8\u5c06\u4e86\u89e3\u5982\u4f55\u8ba1\u7b97\u5e73\u5747\u901f\u5ea6\uff0c\u4ee5\u53ca\u8ba1\u7b97\u79fb\u52a8\u7535\u8bdd\u5e73\u5747\u901f\u5ea6\u7684\u5df2\u89e3\u51b3\u7ec3\u4e60\u3002 \u5e73\u5747\u901f\u5ea6 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/cn\/%e4%b8%ad%e9%80%9f4\/\"> <span class=\"screen-reader-text\">\u5e73\u5747\u901f\u5ea6<\/span> \u67e5\u770b\u5168\u6587 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