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A particle of mass m , initial speed u a...

A particle of mass m , initial speed u and angle of projection `theta` is projected as shown in the figure. Average torque on the projectile between initial and final positions P and Q about the point of projection is

A

`(u^2sin(2theta))/2`

B

`u^2cos(theta)`

C

`u^2cos(theta)`

D

`(u^2cos(theta))/2`

Text Solution

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The correct Answer is:
A
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