Solve the all parts of given question:
Question: A cannon on level ground is aimed at 60 degrees above the horizon and fires a shell with a velocity of 300 m/s.
Part A: How far downrange does the shell hit?
Part B: Show that this range is the same if the cannon were aimed at 30 degrees?
Part C: For what angle is the time of flight greater?
I need help to determine for what angle is the time of flight greater.