- #1
eurekameh
- 210
- 0
Gravitational Potential Energy (U) = -(GMm)/R
Also, U = mgy.
I need help making a connection between these two equations. For U = -(GMm)/R, it is saying that because R = radius of the Earth, an object on the surface of the Earth has a gravitational potential energy, correct?
U = mgy seems to be saying otherwise because y = 0.
Can anybody explain this to me?
Also, U = mgy.
I need help making a connection between these two equations. For U = -(GMm)/R, it is saying that because R = radius of the Earth, an object on the surface of the Earth has a gravitational potential energy, correct?
U = mgy seems to be saying otherwise because y = 0.
Can anybody explain this to me?