2 A very broad elevator is going up vertically with a

Last updated: 6/4/2023

2 A very broad elevator is going up vertically with a constant acceleration of 2m s2 At instant when its velocity is 4 m s a ball is projected from the floor of the lift with speed of 4 m s relative to the floor at an elevation of 30 The time taken by the ball to return the floor is 1 S 1 3 S 2 Im 3 S 4 1s