- #1
mathpat
- 15
- 0
Homework Statement
Given
mass = 90kg
distance = 20m above sea level.
Find his potential and kinetic energy at the top of the cliff, at what point in his leap is his kinetic energy 450 J and at what speed does he enter the water?
Homework Equations
The Attempt at a Solution
I can solve for PE and KE at the top of the cliff. Have trouble calculating when his KE = 450 J and his velocity entering the water.