SOLUTION: In Acapulco, Mexico, men diving from a cliff to the water 64 feet below are quite a tourist attraction. A diver's height h above the water t seconds after diving is given by h = -1

Algebra.Com
Question 320741: In Acapulco, Mexico, men diving from a cliff to the water 64 feet below are quite a tourist attraction. A diver's height h above the water t seconds after diving is given by h = -16t^2 + 64. How long does a dive last?

Thank you!

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
A diver's height h above the water t seconds after diving is given by
h = -16t^2 + 64. How long does a dive last?
:
Replace h with sea level, which is 0, solve for t
-16t^2 + 64 = 0
-16t^2 = -64
divide both sides by -16, this also changes the signs
t^2 = 4
t =
t = 2 seconds

RELATED QUESTIONS

Men are diving from a cliff to the water 16 feet below. A diver's height h (in feet)... (answered by ikleyn)
An Acapulco cliff diver dives into the sea from a height of 35 m. His height, h, in... (answered by Boreal)
The time t (in seconds) that it takes for a cliff diver to reach the water is a function... (answered by solver91311)
Apply the formulas for motion due to gravitational attraction. #1 A diver in Acapulco... (answered by stanbon)
In July of 1997, the first cliff diving world championships were held in Brontallo,... (answered by Greenfinch)
109. Diving time. The time t (in seconds) that it takes for a cliff diver to reach the... (answered by ankor@dixie-net.com)
At a resort, tourists watch swimmers dive from a cliff to the water 144 feet below. A... (answered by ankor@dixie-net.com)
Diving time. The time t (in seconds) that it takes for a cliff diver to reach the water... (answered by Alan3354)
a diver jumps from a diving board that is 24 feet above the water. the height of the... (answered by KMST)