1. The problem statement, all variables and given/known data a cannon is fired out of a cannon at a velocity of 28m/s and at an angle of 90°. Straight up. Assume it starts at a height of 0, figure out the max height it will reach. Air resistance is ignored. 2. Relevant equations 3. The attempt at a solution I'm not 100% on this but I think with conservation you can use the equation: mgh= 1/2mv^2 I just need help setting it up I'm usually pretty good working it out. Thanks in advance.