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 b4za3n.kvc .aww(z)q are held together as shown in fwz( ;v2jm2 eethe diagram to the right. Cart 2 is more massive than cart 1. As they ar ez(jfwv22 e;me forced apart by the release of a compressed spring, which of the following quantities will 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
| 
