The height of an object thrown from a height of 20 feet is given by h(t) = -16t² + 76t+20, where h is measured in feet and t is

Question

The height of an object thrown from a height of 20 feet is given by h(t) = -16t² + 76t+20, where h is measured in feet and t is measured in seconds. After how many seconds will the object hit the ground?

Kunduz · Accepted Answer

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