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Angular Momentum (id: d3da1ae19)

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admin 发表于 2024-8-13 18:04:26 | 显示全部楼层 |阅读模式
本题目来源于试卷: Angular Momentum,类别为 美国物理杯赛(Physics Bowl)

[单选题]
03.41: Two uniform spheres q:oc.o 5 zki 3v4ut9wgof mass M have radii R and 2R. Each sphere is rotauc xw080m d28rjuth 9uting about a fixed axis through a diameter. The rotational kinetic en0 9c0u8mj28udh ur xwtergies of the spheres are identical. What is the ratio
of the magnitude of the angular momenta of these spheres? That is, $\frac{L_{2R}}{L_R}$=?

A. 4
B. $2\sqrt{2}$
C. 2
D. $\sqrt{2}$
E. 1


参考答案:  C


本题详细解析: 暂无

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