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A thin disc of mass M and radius R has m...

A thin disc of mass M and radius R has mass per unit area `sigma( r) =kx^(2)` where r is the distance from its centre. Its moment of inertia about an axis going through its centre of mass and perpendicular to its plane is:

A

`(MR^(2))/(3)`

B

`(2MR^(2))/(3)`

C

`(MR^(2))/(6)`

D

`(MR^(2))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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