If a force 200N acts on a body, the chan...

If a force `200N` acts on a body, the change in momentum is 100 kg m/s. What is the time for which the force acts on th body?

A

1 sec

B

0.75 sec

C

0.5 sec

D

0.25 sec

Verified by Experts

The correct Answer is:

C

`F= (mv-mu)/(t)`
`therefore t=(mv-mu)/(F)= (100)/(200)= 0.5s`

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