Question

v=2gh h=v22g
A 200.0 kg boulder is at rest on top of a 1000.0 m tall mountain. It falls to a ledge at a height of 900.0 m. Find the speed of the boulder as it hits the ledge.
( don't answer it if your gonna say its too hard or sorry I don't know it)

Answer 1

The answer is 14 sqrt(10) m/s