4 A man throws balls with the same speed vertically upwards

Last updated: 6/4/2023

4 A man throws balls with the same speed vertically upwards one after the other at an interval of 2 seconds What should be the speed of the throw so that more than two balls are in the sky at any time Given g 9 8 m s a more than 19 6 m s b at least 9 8 m s c any speed less than 19 6 m s d only with