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Moment of inertia of a body about a give...

Moment of inertia of a body about a given axis is `1.5 kg m^(2)`. Intially the body is at rest. In order to produce a rotational kinetic energy iof 1200 J, the angular acceleration of 20 rad/`s^(2)` must be applied about the axis for a duration of

A

2.5 s

B

2s

C

5s

D

3s

Text Solution

Verified by Experts

The correct Answer is:
A
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