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The moment of inertia of a disc is 100 g...

The moment of inertia of a disc is 100 g . `cm^(2)` . The disc rotates with an angular velocity 2 rad/s. The rotational kinetic energy of the disc is

A

100 erg

B

200 erg

C

400 erg

D

50 erg

Text Solution

Verified by Experts

The correct Answer is:
B
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