1.

A cricketer catches a ball of mass 150 gm in 0.1s and which is moving with a speed of 20 ms^(-1), then he experiences force of…………………….

Answer»

300 N
30 N
3N
0.3N

Solution :`"Impulse "="change in momentum"`
`F.DELTAT=mv - m U`
`THEREFORE F=(mv-m u)/(Deltat)`
`=(150xx10^(-3)xx20)/(0.1)=30N`


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