A slingshot is used to launch a stone horizontally from the top of a 20.0 meter cliff. The stone lands 36.0 meters away.

a. At what speed was the stone launched? (17.82 m/s) b. What is the speed and angle of impact? (26.64 m/s, -47.98 degrees)

2. A cannon fires a cannonball 500.0m downrange when set at 45 degree angle. At what velocity does the cannonball leave the cannon? (Answer: 70.0m/s)