1. The problem statement, all variables and given/known data http://img87.imageshack.us/img87/6784/dsc07215xt5.jpg [Broken] http://img72.imageshack.us/img72/9435/dsc07216aa0.jpg [Broken] 2. Relevant equations None. 3. The attempt at a solution Answers for part I are circled, here's parts II-IV. http://img485.imageshack.us/img485/8642/dsc07217uq2.jpg [Broken] http://img485.imageshack.us/img485/6999/dsc07218qf2.jpg [Broken] Any help would be appreciated. This is a very important homework, as you can tell by the title. If the pics are too small, download them and zoom in, or use the FF extension ImageZoom.