問題詳情
4.質量小的物體去彈性碰撞質量大的靜止物體，是否一定會反彈？
(A)是
(B)不一定
(A)是
(B)不一定
參考答案
答案：[無官方正解]
難度：非常困難0
統計：A(1),B(0),C(0),D(0),E(0)
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