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 heavy object moving with speedrox);( 3 c7znuhila8 m 2fq)ke v collides head-otc)brk yu9z;-wb+t b+ n with a very light object at rktut 9rzb++y cb;wb-)est. 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: B
本题详细解析:
暂无
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