本题目来源于试卷: Collision and momentum conservation，类别为 美国物理杯赛(Physics Bowl)
[单选题]
04.12: A mass m has q1yv j s0ouyg4j af:95speed v. vjcts*j -y)oezu/ ( *z in*l9gIt then collides with a stationary object of mass 2m. If both objeio yzj /tu9scn-z **ev *jgl)(cts stick together in aperfectly inelastic collision, what is the final speed of the conglomerate object?
A. $v/3 $
B. $v/2$
C. $2v/3$
D. $v $
E. $ 3v/2$
参考答案: A
本题详细解析:
暂无
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