The expert cliff divers of Acapulco push off horizontally from rock platforms about 35m above the water, but they must clear the rocky outcrops at water level that extends out into the water 5.0m from the base of the cliff directly under their launch point.
a.) How long are the divers in the air?
b.) What minimum push-off speed is necessary to clear the rocks?
(Hint: Their horizontal displacement must be at least 5.0m)