a Cricket ball of mass 0 2 kg moving with a velocity of 20 metres per second is brought to - PSA - Quantitative Reasoning

Question

a Cricket ball of mass 0 2 kg moving with a velocity of 20 metres
per second is brought to rest by a player in 0 1 seconds find the
Impulse of the ball and the average force applied by the players

Vijay Kumar Gupta · Accepted Answer

The impulse is given by the formula,   I=m×△vWhere m is the mass and △v is the change in velocity
 Put m=0
2 kg and △v=final velocity-initial velocity=0-20=-20m/sSo the impluse is given by,  I=0
2 kg×-20m/s  I=-4 kg m/s  I=-4 kg m/s2 s  I=-4 Newton sec     1 newton =1 kg m/s2The force is given by the formula,    F=I△tWhere △t is the change in time
Put  the values to get,    F=-4 Newton sec0
1 sec        =-40 Newton

a Cricket ball of mass 0.2 kg moving with a velocity of 20 metres per second is brought to rest by a player in 0.1 seconds find the Impulse of the ball and the average force applied by the players