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In Fig a sphere of radius 2 m rolls on a...

In Fig a sphere of radius `2 m` rolls on a plank. The accelerations of the sphere and the plank are indicated. The value of `alpha` is

A

`"2 rad s"^(-2)`

B

`"4 rad s"^(-2)`

C

`"3 rad s"^(-2)`

D

`"1 rad s"^(-2)`

Text Solution

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The correct Answer is:
C
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