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 velox lkr /18c+ibocity v collides head-on with a very lig nr)ldzyk0r 813j )utjht objecjk0)rn)lty zj r83d1 ut moving with velocity -v. The collision is elastic, 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: C
本题详细解析:
暂无
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