A ball of the mass 400gm is dropped from a height of 5m. A boy on the ground hits the ball
Channel: Doubtnut
Date: 19/01/2020

A ball of the mass 400gm is dropped from a height of 5m. A boy on the ground hits the ball vertically upwards with a bat with an average force of 100N so that it attains a vertical height of 20m. The time for which the ball remains in contect with the bat is [`g=10m//s^(-2)]`