将完全相同两小球A、B用长为0.8m的细绳,悬于以v=4m/s向右匀速运动的小车顶部.详见补充说明如图8所示,将完全相同的两小球A、B用长L=0.8m的细绳,悬于以v=4m/s向右匀速运动的小车顶部,两球与小
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![将完全相同两小球A、B用长为0.8m的细绳,悬于以v=4m/s向右匀速运动的小车顶部.详见补充说明如图8所示,将完全相同的两小球A、B用长L=0.8m的细绳,悬于以v=4m/s向右匀速运动的小车顶部,两球与小](/uploads/image/z/10955347-43-7.jpg?t=%E5%B0%86%E5%AE%8C%E5%85%A8%E7%9B%B8%E5%90%8C%E4%B8%A4%E5%B0%8F%E7%90%83A%E3%80%81B%E7%94%A8%E9%95%BF%E4%B8%BA0.8m%E7%9A%84%E7%BB%86%E7%BB%B3%2C%E6%82%AC%E4%BA%8E%E4%BB%A5v%3D4m%2Fs%E5%90%91%E5%8F%B3%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%E7%9A%84%E5%B0%8F%E8%BD%A6%E9%A1%B6%E9%83%A8.%E8%AF%A6%E8%A7%81%E8%A1%A5%E5%85%85%E8%AF%B4%E6%98%8E%E5%A6%82%E5%9B%BE8%E6%89%80%E7%A4%BA%2C%E5%B0%86%E5%AE%8C%E5%85%A8%E7%9B%B8%E5%90%8C%E7%9A%84%E4%B8%A4%E5%B0%8F%E7%90%83A%E3%80%81B%E7%94%A8%E9%95%BFL%3D0.8m%E7%9A%84%E7%BB%86%E7%BB%B3%2C%E6%82%AC%E4%BA%8E%E4%BB%A5v%3D4m%2Fs%E5%90%91%E5%8F%B3%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%E7%9A%84%E5%B0%8F%E8%BD%A6%E9%A1%B6%E9%83%A8%2C%E4%B8%A4%E7%90%83%E4%B8%8E%E5%B0%8F)
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