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 moving with speed v/kqknl*0fw15v5 nissbr (q0f collides head-on with a very light objem;hju3 uf)5 zub*l (wbct at rest. The collision is el u(3bju*zflhwbu5m; )astic, and there is no friction. The 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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