A projectile is thrown horizontally from top of a tower of

Last updated: 6/25/2023

A projectile is thrown horizontally from top of a tower of height 20 m with a velocity 10 m sec It strikes the smooth ground whose co efficient of restitution 0 5 g 10 m s2 neglect friction The time elapsed in seconds after projection when it strikes the ground 1st time will be 4 sec The time elapsed in seconds after projection when it strikes the ground 1st time will be 2 sec The time elapsed in seconds after projection when it strikes the ground 2nd time will be 3 sec The time elapsed in seconds after projection when it strikes the ground 2nd time will be 4 sec