Law homework help

Please help me understand which formula to use. How do you use each step to get the answer2 points) 7, If you kick a football, at what angle to the ground should you kick the ball for the maximum range—that is, the greatest distance down the?eld? At what angle to the ground should you kick the ball for the maximum "hang time"—that is, the maximum time in the air? [2 points) 8. I A cannon elevated at 40° is ?red at a wall 300 m away on levelground, as shown in Figure (23.24 E’. The initial speed of the cannonballis 89 m/s. Figure (13.24 a. How long does it take for the ball to hit the wall? b. At what height I: does the ball hit the wall?