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 car of mass m, traveling with a d;ozi0d4.murvr+n a 0og87/z yyki6oyk2a3m2jx8kf gelocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lo6k/y fgaj30yk8o+2o 7zmikry2ang8 xck together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?
A. 1/2
B. 1/3
C. 1/4
D. 2/3
参考答案: D
本题详细解析:
暂无
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