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 spherea/cm;0m-v)dv z8 x vqws of mass 0s l3*rizk nfu 0xy2:vu.y m9wM have radii R and 2R. Each sphere is rotating about a fixed axis through a diameter. The rotamv*.uys2lu x0:0kzn39 iryf wtional kinetic energies 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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