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Re:问个 问题:

Posted by Los_Angelos_Laycurse at 2014-04-13 17:55:23 on Problem 4053
In Reply To:问个 问题: Posted by:Los_Angelos_Laycurse at 2014-04-13 17:44:52
> goo construction 自由落体到地面的时候 的速度 做圆周运动的 时候需不需要合并
我 是按照两者无关 写的,不知道对不对,物理学的不好,不会受力分析和运动状态分析,题目又不交代。。。。

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