本题目来源于试卷: Collision and momentum conservation，类别为 美国物理杯赛(Physics Bowl)
[单选题]
97.08: Cart 1 and cart 2 are 54fxihtt+h 2gheld t ap:t u6 (r.9nl/dhsee ogether as shown in the diagram to the right. Cart 2 is more massive than cart 1. As they are forced apart by the release of a compressed spring, which of the following quantities wi ura(.p9heedt/ 6:sn lll have the same magnitude for both carts?
A. acceleration
B. change of velocity
C. force
D. speed
E. velocity
参考答案: C
本题详细解析:
暂无
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