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 light object -lri 9+kus.*(j, mv1d( qrv 3ko nmaqtmoving rzh -0pde xg03with speed v collides head-on with a very heavy object at rest, in a frictionless env3- re 00pxghzdironment. The collision is almost perfectly elastic. The speed of the heavy object after the collision is
A. slightly greater than v.
B. equal to v.
C. slightly less than v.
D. much less than v.
参考答案: D
本题详细解析:
暂无
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