- #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!