What is the ball’s impact speed on the ground below?

A cannon tilted up at a 31.0 angle fires a cannon ball at 66.0m/s from atop a 25.0m -high fortress wall.

What is the ball’s impact speed on the ground below?

In the two situations, the preliminary complete ability of the ball is m*h + ½*m*v²; so the kinetic ability whilst the ball hits the floor is an identical, and the speed is an identical. to seem at it yet in a distinctive way, if the ball is thrown up with speed v, it ought to have this comparable speed interior the downward direction whilst it passes the altitude of the cliff. for this reason the tip result’s comparable to if the ball replaced into thrown downward with that speed.

What is the ball’s impact speed on the ground below?