Recent content by MentalScrew

Yeah, I'm a total idiot. I know that has at least something to do with the equation, but I'm not completely sure. Anymore information you can give me?

Homework Statement Okay, I have a total mass of 0.255 of a stone that strikes the ground. Assuming that the stone is initially at rest when it begins falling, how high must the stone be above the ground for the energy of the stone and ground to increase by 2450 J? Homework Equations...