SOLUTION: If an object is dropped from a height of 85 feet, the function h(t)=-16t^2+85 gives the height of the object after t seconds. Approximately, when will the object hit the ground?

Question 957043: If an object is dropped from a height of 85 feet, the function h(t)=-16t^2+85 gives the height of the object after t seconds. Approximately, when will the object hit the ground?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If an object is dropped from a height of 85 feet, the function h(t)=-16t^2+85 gives the height of the object after t seconds. Approximately, when will the object hit the ground?
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When h(t) = 0
-16t^2+85 = 0
Solve for t.
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