Recent content by DumbNut

Yeap, I tried that and it worked :D thanks guys.

Thank you! I guess I thought about it too mathematically, now it makes sense to me.

Homework Statement X & Y are two points at respective distances R and 2R from the centre of the Earth, where R is greater than the radius of the Earth. The gravitational potential at X is -800kJkg^-1. When a 1kg mass is taken from X to Y, what is the work done on the mass?Homework Equations...