- #1

swede5670

- 78

- 0

## Homework Statement

After falling 5m a rock has a velocity of v. What is the total distance the rock must fall to get a speed of 2v?

## Homework Equations

GPE=mgh

Ke=1/2mv^2

## The Attempt at a Solution

Should I set both equations equal to each other? I'm not even sure how to begin this one.