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 speed qnukn.8t ;6 puf90:llj3 tmu rv collides head-on with a ver75e ;m+o.b zr5ftmphwom9ejod ;)dc1y light object at rest. The collision is elastic, and there is no friction. The heavy object barely slows down. What is the speed of the light object dj5 bzfcep5 mo;o o;eh1d79rtw+ mm) .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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