Question

A tennis ball is dropped on the floor from a height of 20m it rebounds to a height of 5m

Answer 1

Hello mate ,

Given- 1. Height - 20m

From 1st newton's laws of motion-

V^2 = U^2 -2 gs

V^2 = 2×10×20

V = 20m/s

New height - 5m

this is ur ques , I know it's not completed but...