(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A rock with a weight of 120 N free falls from height of 2.00m collides with with earth and digs 60 mm into it. What is the Earth's average force of resistance

2. Relevant equations

F=m*g => m=F/g

m*g*h = 1/2*m*v^2

v=√(2*g*h)

3. The attempt at a solution

I found the velocity of a rock just before collision using the law of conservation of energy. I now know the velocity which I got 6.3 m/s but now im stumped on how do i find the forces exerted by earth to stop the rock from digging deeper.

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# Homework Help: Force exerted to a falling object

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