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A cannon, elevated 40o above the horizontal, is fired at a castle wall 720m away on...

A cannon, elevated 40o above the horizontal, is fired at a castle wall 720m away on level ground. The initial speed of the cannonball is 100m/s.

a. What are the initial horizontal (x-direction) and vertical (y-direction) components of the velocity?

b. How long will it take for the cannon ball to hit the wall?

c. How high on the wall does the cannon ball hit?

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