- #1
- 2
- 0
Homework Statement
A ball of 2kg drops from rest to ground from a height 5m and rebounds to the same height.
If the time of duration of the impact between the ball and the ground is 0.2s
what is the total reaction of the ground on the ball
Homework Equations
The Attempt at a Solution
mgh=0.5mv^2
2(10)(5)=1.5(2)v^2
v=10
F=ma
F=2(10/0.2)
F=100