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I NEED HELP...NOW I CANNOT GET THIS!

A cliff diver dives off a cliff 40 feet above water. Write an equation giving the diver's height H (in feet) above the water after t seconds. How long is the diver in the air?

User Elfred
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1 Answer

6 votes
1. h = 40 - 16t^2
0 = 40 - 16t^2
16t^2 = 40
t^2 = 5/2
t = √(5/2) ≈ 1.58 sec
User Sivajee Battina
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