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Two rigid bodies A and B rotate with rot...

Two rigid bodies A and B rotate with rotational kinetic energies `E_(A)` and `E_(B)` respectively. The moments of inertia of A and B about the axis of rotation are `I_(A)` and `I_(B)` respectively. If `I_(A) = I_(B)//4` and E_(A)= 100 E_(B), the ratio of angular momentum (L_(A)) of A to the angular momentum (L_(B)) of B is

A

5

B

25

C

`(1)/(4)`

D

`(5)/(4)`

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The correct Answer is:
A
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