1. The problem statement, all variables and given/known data http://i.imgur.com/iVok98y.jpg 2. Relevant equations p=ρgh+p0, F=ρVg 3. The attempt at a solution Obviously wrong scribble except num 1 sorry for the s**ty handwriting look at #7 http://i.imgur.com/59Ew8vJ.jpg edit: fixed the problems with the photo. look at the links, the forum software cropped the quality.