1. The problem statement, all variables and given/known data A physics student trhow a ball vertically into the air. A fellow student determines with a stopwatch that the ball is in the air for a total of 3.56s. (a) with what velocity was the ball thrown? (b) How high did it rise? 3. The attempt at a solution Vo = ? Vf = 0 t = 3.56 yo = ? yf = ? a = ? I don't know what equation I should use and how to set up the equations. Please Help me~!