In figure, a sphere rolls without slipping on a plank moving with v...

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In figure, a sphere rolls without slipping on a plank moving with velocity \( \mathrm{V}_{0} \). The
\( \mathrm{P} \) radius and angular velocity of the spheres are \( r \) and \( \omega \) respectively. The velocity of centre of mass \( \mathrm{V}_{\mathrm{cm}} \) of the sphere w.r.t. ground is
(1) \( \mathrm{V}_{0}+r \omega \)
(2) \( \mathrm{V}_{0}-r \omega \)
(3) \( r \omega \)
(4) \( \mathrm{V}_{0} \)
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