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A rigid body of moment of inertia l has ...

A rigid body of moment of inertia `l` has an angular acceleration `alpha`. If the instantaneous power is `P` then, the instantaneous angular velocity of the body is

A

`Plalpha`

B

`P// l alpha`

C

`Pl //alpha`

D

`Palpha//l`

Text Solution

Verified by Experts

The correct Answer is:
B
Power, `P=tauomega` or `omega=(P)/(lalpha)[becausetu=lalpha]`
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