A solid sphere and a hollow sphere of equal mass and radius are placed over a rough horizontal s...

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A solid sphere and a hollow sphere of equal mass and radius are placed over a rough horizontal surface after rotating it
\( \mathrm{P} \) about its mass centre with same angular velocity \( \omega_{0} \). Once

W the pure rolling starts let \( v_{1} \) and \( v_{2} \) be the linear speeds of their centres of mass. Then
(1) \( v_{1}=v_{2} \)
(2) \( v_{1}v_{2} \)
(3) \( v_{1}v_{2} \)
(4) data is insufficient
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