A player caught a cricket ball of m ass 150 g moving at a rate of 20 m //s^(- 1) . If the catching process is com pleted in 0.1 s, the force of the blow exerted by the ball on the hand of the player is equal to .....

A player caught a cricket ball of m ass 150 g moving at a rate of 20 m

1.	A player caught a cricket ball of m ass 150 g moving at a rate of 20 m //s^(- 1) . If the catching process is com pleted in 0.1 s, the force of the blow exerted by the ball on the hand of the player is equal to .....
Answer» 0.3 N 3 N 30 N 300 N Solution :The forceof the blowexertedby the ball onthehandof theplayer= thechangein momentumof the ball `F=m(v_(1) -v_(2))/( t )` `=(0.15(20 - 0))/( 0.1)` `F= 30 N` `m =150 g = 0.150 kg` `v_(1)= 20 m//s` `v_(2) =0` `t=0.1s`