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 held t tjfuh; r*-w;b9 y.viqogether as shown in the d r2yz9oth/ z;v)sc g 3oiagram 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 will have the same magnitude for both ca z st9hc;oyo zr)/2g3vrts?
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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