- #1

bunton33

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## Homework Statement

After falling from rest from a height of 34 m, a 0.47 kg ball rebounds upward, reaching a height of 24 m. If the contact between ball and ground lasted 1.8 ms, what average force was exerted on the ball?

## Homework Equations

vf^2=2gh

vf=sqrt 2gh.

force*time=2sqrt(2gh)

## The Attempt at a Solution

i have tried to plug in but i cannot seem to get it correct. help please!