Consider the sphere moving on horizontal surface. At some instant it has linear velocity v0 and angular velocity about center of mass v02R. The translational velocity after the sphere starts pure rolling
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a
5v07
b
6v07
c
3v04
d
3v05
answer is B.
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Detailed Solution
Conservation of angular momentum about A⇒MvR+Iωmv0R+25mR2V02R=mVcmR+25mR2VcmR.Vcm=6V07