Question

6. A rubber ball dropped from a height of 20m
(g=10m/s) falls on the roof of an elevator
going up at 2 m/s. If the collision of the ball
with the elevator is elastic, the ball rebounds
with a velocity of
1) 20m/s 2) 22m/s 3) 24m/s 4) 26m/s
​

Answer 1

Answer:

Option 3) 24m/s

Hope will be helpful ☺️