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 2.0-kg mass moves with a speed oc)amgkbnwlf :z0+517lhiqwo a( h /4bf 5.0 m/s. It collides head-i45 ; 1 ui3iuw1msv4 :jyr3 mezvog(fw/l:nkeon with a 3.0 kg mass at yrmw 4vo4fgu /5m1 1e3ji ;el(z kiis u::nvw3rest. If the collision is perfectly inelastic, what is the speed of the masses after the collision?
A. 10 m/s
B. 2.5 m/s
C. 2.0 m/s
D. 0, since the collision is inelastic
参考答案: C
本题详细解析:
暂无
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