本题目来源于试卷: Physics Unit7: Linear Momentum，类别为 通用国际物理
[单选题]
A very heavy object mobxipzv8.ys9 7 ving whmvr3g *o9 z-zjd;z5jz ( .dyuith speed v collides head-on with a very light object at rest. The collision is elastic, and there is no friction. Tvz9;uym j*zo.5zh3 (zr -d jdghe heavy object barely slows down. What is the speed of the light object after the collision?
A. nearly v
B. nearly 2v
C. nearly 3v
D. nearly infinite
参考答案: B
本题详细解析:
暂无
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