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产生了永久形变不正是证明了它吸收了动能吗?要是没有永久形变,才是真正把动能都传递出去了。嗯,回想了一下高中学的物理,好像是这么样的吧?

pazu (InTheSky)
(#107329@0)
2001-6-20 -04:00
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