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, traveling witil b/;4;dg 9p kjca)k3lsc9 q+9 bkzwgh a velocity vd:l -k/lr/tb u:yhk5 6ibmww: , strikes a parked station wagon, who's mass is 2m. The u/ tr-hldl65y: ki::bww kbm/bumpers lock 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
| 
