Posted by **Sam** on Tuesday, March 12, 2013 at 10:09pm.

A man is standing on a cliff and throws a ball outward 50m/s at an angle of 53 degrees. It hits the base of the cliff in 10 seconds.

Find:

a) The height of the cliff

b) the angle at which the ball goes into the sea

c) if the ball will hit a boat 150m out to sea.