1. The problem statement, all variables and given/known data an ice cube is placed on top of an overturned spherical bowl of radious r. if the cube slides downward from rest at the top of the bowl, at what angle does it seperate from the bowl? 2. Relevant equations 3. The attempt at a solution i'm stuck with this problem. i have thought about it for a loong time and i am deperate for a huge hint. i know the answer but i need to know how they got it. the question came from the energy chapter and i simply dont know how to approach it. plz help.