I never take the Berkeley "proof" seriously

I never take the Berkeley "proof" seriously

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送交者: gyro 于 2009-10-29, 02:05:00:

回答: 你这样，不是提前用了动量守恒吗？由 Palmetto 于 2009-10-29, 01:56:17:

It is an interesting way to see the connection between theorems or laws.

MV=sum_j m_j v_j is not a use of momentum conservation, only a definition.

仅仅定义是不够的，因为v_j是变数，它们的合可能也是。 (无内容) - Palmetto (0 bytes) 2009-10-29, 02:43:54 (378225)