1. The problem statement, all variables and given/known data A 1.20-kg piece of cheese is placed on a vertical spring of negligible mass and force constant k = 1800 N/m that is compressed 15.0 cm. When the spring is released, how high does the cheese rise from this initial position? (The cheese and the spring are not attached.) 2. Relevant equations Conservation of Energy equation. 3. The attempt at a solution Actually what i wanna know is, while calculating the gravitational potential energy, should i include 15.0 cm(ie distance by which spring is compressed) or should i start from the point from where it leaves the spring?? kindly clarify.