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A particle of mass 1 kg is projected wit...

A particle of mass `1 kg` is projected with an initial velocity `10 ms^(-1)` at an angle of projection `45^(@)` with the horizontal. The average torque acting on the projectile and the time at which it strikes the ground about the point of projection in newton meter is

A

`25`

B

`50`

C

`75`

D

`100`

Text Solution

Verified by Experts

The correct Answer is:
B
`tau=(dL)/(dt)=m(u^(2)cos^(2)theta)`
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