gc textbook chapter 8 Rotational Motion (id: 5f9e3d4a0)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[问答题]
A turntable of radiu.fi(yt5w h;+mf- )0c cdevbui ;cj +vun 7dl3g*jjy*ul+pjo 6s $R_1$ is turned by a circular rubber roller of radius $R_2$ in contact with it at their outer edges. What is the ratio of their angular velocities, $\omega_1$ / $\omega_2$

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