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哦,对。我想说的是,他假设两车‘粘’在一起的时候 没有能量损失,在实际生活中不是这样。
-徒劳-
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02/09/2014 postreply
10:56:18
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楼上诸位,复习物理
-biglow-
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02/09/2014 postreply
12:07:36
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不好意思,回去复习物理。。。
-徒劳-
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02/09/2014 postreply
12:23:07
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Yes. 动量总是守恒
-smallCrab-
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02/10/2014 postreply
17:36:46
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