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 2.0-kg mass moves with a speed of 5.0 mup1/bxjn o:.s/s. :4 8qcct494v ns5cq fvci0 pouIt collides head-on with a 3.0 kg mass at rest. If o c9qvtcfq c ivs85c44u 0p4n: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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