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 car of mass m, trasejv4mkxs 1ah-.p 1, tvehc5 1jf- w/wwq4bo.xaq:ey: r)7o o ylling with a velocity v, strikes a parked station wagon, who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of thw q h rlbc/ 5ow wy7ex1.o:-jfaqy)4:oe 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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