Question

The potential energy of a 40-kg cannon ball is 14000 J. How high was the cannon ball to have this much potential energy?

Answer 1

Pe = mgh.
14000 J = (40kg)(10m/s^2)(h)
h = 35 meters

Answer 2

Pe = mgh.

14000 J = (40kg)(10m/s^2)(h)

h = 35 meters