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A sphere of mass m is given some angular...

A sphere of mass `m` is given some angular velocity about a horizontal axis through the center, and gently placed on a plank of mass `m`. The coefficient of friction between the two is `mu`. The plank rests on a smooth horizontal surface. The intial acceleration of the sphere relative to the plank will be:

A

zero

B

`mug`

C

`7/5 mug`

D

`2mug`

Text Solution

Verified by Experts

The correct Answer is:
D
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