roverton roverton
  • 21-10-2016
  • Mathematics
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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?

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Zeer0K1lls
Zeer0K1lls Zeer0K1lls
  • 21-10-2016
1. h = 40 - 16t^2
 0 = 40 - 16t^2
  16t^2 = 40
 t^2 = 5/2
 t = √(5/2) ≈ 1.58 sec
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