本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 国际高中通用物理
[单选题]
A very light object moving ih*u a// 3v mo*uwh2abwith speed v collides headup,l)4a seb 234h(nmjo-khc9pp vq+ p-on with a very heavy object at rest, in a frictionless environment. The collision is almost perfectly elastic. The speed kqvpo)h-n4m4( s9pebc+ au ,pp2hl3 jof the heavy object after the collision is
A. slightly greater than v.
B. equal to v.
C. slightly less than v.
D. much less than v.
参考答案: D
本题详细解析:
暂无
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