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, trahp2zmoy f:2d(5rkc( kvre+iglr s 1 )12 )dznf uly;(oo:pibbl/2si :aeling 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 the initial kinetic enl:i/ u) 2 eas+p)l;11ibod(lgf iob2rr y:zsnergy 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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