high school physics: more elastic if masses of 2 bodies are closer
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送交者: pgss 于 2014-11-13, 10:13:03:
回答: 他们说引力太小怕它反弹 由 cornbug 于 2014-11-12, 22:33:50:
not because of gravity. because of relative mass and the momentum+energy conservation equation.
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