从空中先后自由落下A,B两物,两物相对速度是不变的对吧..那么以B为参照物,A做什么运动?为什么是匀速直线运动呢?还有一个问题匀减速运动的物体追赶从不同地点出发同向的匀速运动物体时,
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![从空中先后自由落下A,B两物,两物相对速度是不变的对吧..那么以B为参照物,A做什么运动?为什么是匀速直线运动呢?还有一个问题匀减速运动的物体追赶从不同地点出发同向的匀速运动物体时,](/uploads/image/z/8173452-12-2.jpg?t=%E4%BB%8E%E7%A9%BA%E4%B8%AD%E5%85%88%E5%90%8E%E8%87%AA%E7%94%B1%E8%90%BD%E4%B8%8BA%2CB%E4%B8%A4%E7%89%A9%2C%E4%B8%A4%E7%89%A9%E7%9B%B8%E5%AF%B9%E9%80%9F%E5%BA%A6%E6%98%AF%E4%B8%8D%E5%8F%98%E7%9A%84%E5%AF%B9%E5%90%A7..%E9%82%A3%E4%B9%88%E4%BB%A5B%E4%B8%BA%E5%8F%82%E7%85%A7%E7%89%A9%2CA%E5%81%9A%E4%BB%80%E4%B9%88%E8%BF%90%E5%8A%A8%3F%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF%E5%8C%80%E9%80%9F%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%E5%91%A2%3F%E8%BF%98%E6%9C%89%E4%B8%80%E4%B8%AA%E9%97%AE%E9%A2%98%E5%8C%80%E5%87%8F%E9%80%9F%E8%BF%90%E5%8A%A8%E7%9A%84%E7%89%A9%E4%BD%93%E8%BF%BD%E8%B5%B6%E4%BB%8E%E4%B8%8D%E5%90%8C%E5%9C%B0%E7%82%B9%E5%87%BA%E5%8F%91%E5%90%8C%E5%90%91%E7%9A%84%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%E7%89%A9%E4%BD%93%E6%97%B6%2C)
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