2. A player caught a cricket ball of mass 150 gm moving at a rate of 20 m/s. If the catching process be completed in 0.1 s, then the force of the blow exerted by the ball on the hands of the player is
(a) 0.3 N (b) 30 N
(c) 300 N (d) 3000 N
ANSWER : b
(6)