A circket ball of mass 150 g is moving with a velocity of 12 m/s and is hit by a bat so that the ball is turned back with a velocity of $20 m/s$ .Force on the ball acts for 0.01s, the average force exerted by the bat on the ball

Question

\[(a)\;48 \;N\quad (b)\;480\;N \quad (c)\;40\;N\quad (d)\;400\;N\]