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, trav7lpzhe01ls; xra,k9 k fn.6zseling with a velocity v, strikes a parked station wagon, spht onh/qto-uvpho(b2s2 z0/d +)f/who's mass is 2m. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collisioo upf 0sovt qnb2 s-(pz hh)oh//+td/2n?
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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