{"id":18806,"date":"2011-01-03T16:14:33","date_gmt":"2011-01-03T08:14:33","guid":{"rendered":"http:\/\/highscope.ch.ntu.edu.tw\/wordpress\/?p=18806"},"modified":"2021-10-06T16:29:40","modified_gmt":"2021-10-06T08:29:40","slug":"%e5%bd%88%e6%80%a7%e7%a2%b0%e6%92%9e%ef%bc%88elastic-collision%ef%bc%89","status":"publish","type":"post","link":"http:\/\/localhost\/%e5%bd%88%e6%80%a7%e7%a2%b0%e6%92%9e%ef%bc%88elastic-collision%ef%bc%89\/","title":{"rendered":"\u5f48\u6027\u78b0\u649e\uff08Elastic collision\uff09"},"content":{"rendered":"<div class=\"pf-content\"><p><strong><span style=\"color: #ff6600;\">\u5f48\u6027\u78b0\u649e\uff08Elastic collision\uff09<br \/>\n<\/span><span style=\"color: #008000;\">\u81fa\u4e2d\u7e23\u7acb\u4e2d\u6e2f\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u738b\u5c0a\u4fe1\u8001\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u6d2a\u9023\u8f1d\u6559\u6388\u8cac\u4efb\u7de8\u8f2f<\/span><\/strong><\/p>\n<p>\u5f48\u6027\u78b0\u649e\u662f\u6307\u78b0\u649e\u524d\u5f8c\u52d5\u80fd\u4e0d\u8b8a\u7684\u904e\u7a0b\u3002\u6839\u64da\u78b0\u649e\u6642\uff0c\u5169\u7269\u9ad4\u8cea\u5fc3\u9023\u7dda\u8207\u78b0\u649e\u9ede\u662f\u5426\u5171\u7dda\uff0c\u53ef\u4ee5\u5340\u5206\u70ba\u6b63\u5411\u5f48\u6027\u78b0\u649e\u8207\u659c\u5411\u5f48\u5411\u78b0\u649e\u3002\u901a\u5e38\uff0c\u6211\u5011\u6703\u5148\u8a0e\u8ad6\u6b63\u5411\u5f48\u6027\u78b0\u649e\uff0c\u518d\u8a0e\u8ad6\u659c\u5411\u5f48\u6027\u78b0\u649e\u3002<!--more--><\/p>\n<p>\u5728\u6b63\u5411\u5f48\u6027\u78b0\u649e\u7684\u4f8b\u5b50\u4e2d\uff0c\u5169\u7269\u9ad4\u9075\u5b88(\u7dda)\u52d5\u91cf\u5b88\u6046(Conservation of linear momentum)\u8207\u52d5\u80fd\u5b88\u6046(Conservation of kinetic energy)\u3002\u5047\u8a2d\u7b2c\u4e00\u500b\u7269\u9ad4\u7684\u8cea\u91cf\u70bam<sub>1<\/sub>\uff0c\u78b0\u649e\u524d\u901f\u5ea6\u70bav<sub>1<\/sub>\uff0c\u78b0\u649e\u5f8c\u901f\u5ea6\u70bav<sub>1<\/sub>\u2019\uff0c\u7b2c\u4e8c\u500b\u7269\u9ad4\u7684\u8cea\u91cf\u70bam<sub>2<\/sub>\uff0c\u78b0\u649e\u524d\u901f\u5ea6\u70bav<sub>2<\/sub>\uff0c\u78b0\u649e\u5f8c\u901f\u5ea6\u70bav<sub>2<\/sub>\u2019:<\/p>\n<p>\u5247\u6839\u64da\u52d5\u91cf\u5b88\u6046:<br \/>\n<img decoding=\"async\" id=\"aimg_1986\" onmouseover=\"showMenu({'ctrlid':this.id,'pos':'12'})\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/phpBB\/attachments\/month_1011\/1011221213f5d6558fa711f837.png\" alt=\"0614-1.png\" width=\"242\" \/><\/p>\n<p>\u518d\u6839\u64da\u52d5\u80fd\u5b88\u6046:<br \/>\n<img decoding=\"async\" id=\"aimg_1987\" onmouseover=\"showMenu({'ctrlid':this.id,'pos':'12'})\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/phpBB\/attachments\/month_1011\/1011221213ca383d540abf02f2.png\" alt=\"0614-2.png\" width=\"430\" \/><\/p>\n<p>\u6839\u64da\u52d5\u91cf\u5b88\u6046\u5f0f\u53ef\u4ee5\u6539\u5beb\u6210:<\/p>\n<p>\u00a0<img decoding=\"async\" id=\"aimg_1988\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/phpBB\/attachments\/month_1011\/10112212131f347521986dda50.png\" alt=\"0614-3.png\" width=\"360\" \/><\/p>\n<p>\u6839\u64da\u52d5\u80fd\u5b88\u6046\u5f0f\u53ef\u4ee5\u6539\u5beb\u70ba:<br \/>\n<img decoding=\"async\" id=\"aimg_1989\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/phpBB\/attachments\/month_1011\/1011221213421d3c57875457d9.png\" alt=\"0614-4.png\" width=\"405\" \/><\/p>\n<p>\u00a0\u7531\u4ee5\u4e0a\u5169\u500b\u6539\u5beb\u7684\u65b9\u7a0b\u5f0f\uff0c\u82e5\u628am<sub>1<\/sub>\u3001v<sub>1<\/sub>\u3001m<sub>2<\/sub>\u3001v<sub>2<\/sub>\u7576\u4f5c\u5df2\u77e5\uff0c\u5247\u53ef\u89e3\u51fav<sub>1<\/sub>\u2019\u3001v<sub>2<\/sub>\u2019:<br \/>\n<img decoding=\"async\" id=\"aimg_1990\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/phpBB\/attachments\/month_1011\/1011221213e5d7557d8f4420a9.png\" alt=\"0614-5.png\" width=\"229\" \/><\/p>\n<div id=\"aimg_1990_menu\">\n<div><img decoding=\"async\" id=\"aimg_1985\" src=\"http:\/\/highscope.ch.ntu.edu.tw\/phpBB\/attachments\/month_1011\/1011221213ff53408d47a80284.png\" alt=\"0614-6.png\" width=\"229\" \/><\/div>\n<\/div>\n<div id=\"aimg_1985_menu\">\n<div>\u7531\u4e0a\u5f0f\uff0c\u6211\u5011\u53ef\u4ee5\u767c\u73fe:<br \/>\n\u3000\u3000\u3000v<sub>1<\/sub>\u2019-v<sub>2<\/sub>\u2019=v<sub>2<\/sub>-v<sub>1<\/sub><\/div>\n<p>\u610f\u7fa9\u662f:\u78b0\u649e\u5f8c\u76f8\u5c0d\u901f\u5ea6\u7b49\u65bc\u78b0\u649e\u524d\u76f8\u5c0d\u901f\u5ea6\uff0c\u53e6\u5916\u4e00\u5c64\u542b\u610f\u662f\uff0c\u56e0\u70ba\u8cea\u5fc3\u901f\u5ea6\u4e0d\u8b8a\uff0c\u6240\u4ee5\uff0c\u5404\u8cea\u9ede\u76f8\u5c0d\u8cea\u5fc3\u7684\u76f8\u5c0d\u901f\u5ea6\u4e5f\u4e0d\u6539\u8b8a\uff0c\u56e0\u6b64\u5728\u6b63\u5411\u5f48\u6027\u78b0\u649e\u7684\u4f8b\u5b50\u88cf\uff0c\u5c31\u6703\u7522\u751f\u78b0\u649e\u524d\u5f8c\u76f8\u5c0d\u901f\u5ea6\u4e0d\u6539\u8b8a\u7684\u7d50\u679c\uff0c\u9019\u500b\u7d50\u679c\uff0c\u4e5f\u53ef\u4ee5\u7528\u6062\u5fa9\u4fc2\u6578(coefficient of restitution)\u4f86\u89e3\u91cb\u3002<\/p>\n<p>\u5728\u4e0a\u5f0f\u7684\u7d50\u679c\u4e2d\uff0c\u53ef\u4ee5\u5340\u5206\u4ee5\u4e0b\u4e09\u7a2e\u60c5\u5f62\u4f86\u8a0e\u8ad6:<\/p>\n<p>\u7b2c\u4e00\u7a2e:\u5169\u7269\u9ad4\u8cea\u91cf\u76f8\u7b49:\u5373m<sub>1<\/sub>=m<sub>2<\/sub>\uff0c\u5247\u53ef\u4ee5\u5f97\u5230v<sub>1<\/sub>\u2019=v<sub>2<\/sub>\uff0c v<sub>2<\/sub>\u2019=v<sub>1<\/sub>\u7684\u7d50\u679c\u3002\u610f\u5373\u4ee3\u8868\u5169\u7269\u9ad4\u7684\u901f\u5ea6\u4ea4\u63db\u3002\u5e38\u898b\u7684\u4f8b\u5b50\u662f\u5728\u649e\u7403\u4e2d\u7684\u5b9a\u6746\uff0c\u6bcd\u7403\u8207\u5b50\u7403\u78b0\u649e\u5f8c\uff0c\u4fdd\u6301\u975c\u6b62\u4e0d\u52d5\uff0c\u800c\u5b50\u7403\u5247\u4ee5\u6bcd\u7403\u7684\u539f\u901f\u5ea6\u524d\u9032\u3002<\/p>\n<p>\u7b2c\u4e8c\u7a2e:\u7b2c\u4e00\u500b\u7269\u9ad4\u8cea\u91cf\u9060\u5927\u65bc\u7b2c\u4e8c\u500b\u7269\u9ad4\uff0c\u5247\u6b64\u6642\u7b2c\u4e00\u500b\u7269\u9ad4\u7684\u52d5\u91cf\u5e7e\u4e4e\u6c92\u6709\u8b8a\u5316\uff0c\u800c\u7b2c\u4e8c\u500b\u7269\u9ad4\u5247\u53ef\u4ee5\u7372\u5f97\u6700\u5927\u7684\u901f\u5ea6\u3002\u5e38\u898b\u7684\u4f8b\u5b50\u662f\u4eba\u5728\u7a7a\u6c23\u4e2d\u884c\u9032\uff0c\u4eba\u7684\u52d5\u91cf\u5e7e\u4e4e\u6c92\u6709\u6539\u8b8a\uff0c\u4f46\u7a7a\u6c23\u5206\u5b50\u5247\u4ee5\u5169\u500d\u4eba\u7684\u901f\u5ea6\u524d\u9032\u3002<\/p>\n<p>\u7b2c\u4e09\u7a2e\u60c5\u5f62:\u7b2c\u4e00\u500b\u7269\u9ad4\u8cea\u91cf\u9060\u5c0f\u65bc\u7b2c\u4e8c\u500b\u7269\u9ad4\uff0c\u6b64\u6642\u7b2c\u4e8c\u500b\u7269\u9ad4\u7684\u52d5\u91cf\u5e7e\u4e4e\u6c92\u6709\u6539\u8b8a\uff0c\u7b2c\u4e00\u500b\u7269\u9ad4\u5247\u4ee5\u53cd\u5411\u901f\u5ea6\u524d\u9032\u3002\u5e38\u898b\u7684\u4f8b\u5b50\u662f\u7a7a\u6c23\u5206\u5b50\u8207\u7246\u58c1\u7684\u78b0\u649e\uff0c\u7246\u58c1\u7684\u52d5\u91cf\u5e7e\u4e4e\u6c92\u6709\u8b8a\u5316\uff0c\u4f46\u7a7a\u6c23\u5206\u5b50\u7684\u901f\u5ea6\u65b9\u5411\u5b8c\u5168\u76f8\u53cd\u3002<\/p>\n<p><strong>\u53c3\u8003\u8cc7\u6599: <\/strong><a href=\"http:\/\/en.wikipedia.org\/wiki\/Elastic_collision\" target=\"_blank\" onfocus=\"undefined\">http:\/\/en.wikipedia.org\/wiki\/Elastic_collision<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u5f48\u6027\u78b0\u649e\uff08Elastic collision\uff09 \u81fa\u4e2d\u7e23\u7acb\u4e2d\u6e2f\u9ad8\u7d1a\u4e2d\u5b78\u7269\u7406\u79d1\u738b\u5c0a\u4fe1\u8001\u5e2b\/\u570b\u7acb\u5f70\u5316\u5e2b\u7bc4\u5927\u5b78\u6d2a\u9023\u8f1d\u6559&hellip;<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107,13,3],"tags":[2173,2104],"class_list":["post-18806","post","type-post","status-publish","format-standard","hentry","category-physics00","category-physics01-10","category-physics01","tag-2173","tag-2104","loop-entry","cat-107","cat-13","cat-3","no-thumbnail"],"views":32033,"_links":{"self":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/18806","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/users\/50"}],"replies":[{"embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/comments?post=18806"}],"version-history":[{"count":1,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/18806\/revisions"}],"predecessor-version":[{"id":89061,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/posts\/18806\/revisions\/89061"}],"wp:attachment":[{"href":"http:\/\/localhost\/wp-json\/wp\/v2\/media?parent=18806"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/categories?post=18806"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/localhost\/wp-json\/wp\/v2\/tags?post=18806"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}