I am not sure I can solve this, I am confused that I do not have the information I need. I am lost and my prof is of little help. A spring gun projects a ball at an angle of 45 degrees above the horizontal. The ball has a horizontal range of 32 feet. What is the maximum height to which the ball rises, and for the same initial velocity, what are the two angles for which the range is 20 feet. Dont I need at least a time frame to solve this? The best part is, the other two problems are even more vague to me.