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A quarter disc of radius R and mass m is...

A quarter disc of radius R and mass m is rotating about the axis OO' (perpendicular to the plane of the disc) as shown. Rotational kinetic energy of the quarter disc is

A

`(1)/(2)mR^(2)omega^(2)`

B

`(1)/(4)mR^(2)omega^(2)`

C

`(1)/(8)mR^(2)omega^(2)`

D

`(1)/(16)mR^(2)omega^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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