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Moment of inertia of a body about an axi...

Moment of inertia of a body about an axis is `4kg-m^(2)`. The body is initially at rest and a torque of 8 N-m starts along the same axis. Work done by the R, about an axis which is a tangent and parallel to its torque in 20 s, in joules, is

A

40

B

640

C

2560

D

3200

Text Solution

Verified by Experts

The correct Answer is:
D
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