A player stops a football weighing 0.5 kg which comes flying towards him with a velocity of `10m//s`. If the impact lasts for `1//50`th sec. and the ball bounces back with a velocity of 15 `m//s`, then the average force involved is

A player kicks a football of mass 0.5 kg and the football begins to move with a velocity of 10 m/s . If the contact between the leg and the football lasts for (1)/(50) sec , then the force acted on the football should be

A player kicks a football of mass 0.5 kg and the football begins to move with a velocity of 10 m/s . If the contact between the leg and the football lasts for (1)/(50) sec , then the force acted on the football should be

A ball of mass 0.2 kg moves with a velocity of 20m//sec and it stops in 0.1 sec , then the force on the ball is

A ball of mass 0.2 kg moves with a velocity of 20m//sec and it stops in 0.1 sec , then the force on the ball is

A ball of mass 0.2 kg moves with a velocity of 20m//sec and it stops in 0.1 sec , then the force on the ball is

A 0.5 kg ball moves in a circle of radius 0.4 m at a velocity of 4 m/s. The centripetal force on the ball is

A 0.5 kg ball moves in a circle of radius 0.4 m at a velocity of 4 m/s. The centripetal force on the ball is

A 1 kg ball has a velocity of 12 m/s downward just before it strikes the ground and bounces up with a velocity of 12 m/s upward. What is the change in momentum of the ball?

cricket ball of mass 150 g is moving with a velocity of 12m//sec and is hit by a bat so that the ball is turned back with a velocity of 20 m//sec, the force on the ball acts for 0.01 sec, then the average force exerted by the bat on the ball will b