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Collision and momentum conservation (id: c4f531342)

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admin 发表于 2024-8-7 16:36:01 | 显示全部楼层 |阅读模式
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]
94.33: An air track car with mass.71aux. juib4gp1yz s (crvw+ * dswu8l2zlg ;m and velocity v to the right collides elastica;lgw* 8ulscvw +drz2(lly with a second air track car with mass 2m and initial velocity zero. What is the velocity of the 2m car after the collision?

A. $\frac{2}{3}v$ to the right
B. $\frac{\sqrt{2}}{2}v$ to tℎe rigℎt
C. $\frac{1}{2}v$ to the right
D. $v $to the left
E. $\frac{1}{3}v$ to the left


参考答案:  A


本题详细解析: 暂无

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