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2-dim collision (id: 425e5327a)

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admin 发表于 2024-8-7 17:24:58 | 显示全部楼层 |阅读模式
本题目来源于试卷: 2-dim collision,类别为 美国物理杯赛(Physics Bowl)

[单选题]
11.39: An object with mbbio;ene 8 6 r1 hnzj9w6ll*cl;p915a5a o bofass M moves d;n d8 a-lp.kp.jpum/ due East on a frictionless horizontal surface with a speed of V. A second object of mass M/2 has a speed of 3V. The two objects collide and stick together. If the objects are moving due South after the collision, with what skdu. ;man/pdl p .p8j-peed are they moving?

A. $\frac{5}{3}v$
B. $\frac{1}{3}v$
C. $\frac{\sqrt{5}}{3}v$
D. $\frac{4\sqrt{2}}{3}v$
E. $\frac{\sqrt{33}}{3}v$


参考答案:  C


本题详细解析: 暂无

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