Mathematics, 08.05.2021 06:50 malik70831

A stone is dropped from a bridge that is 400 ft above the surface of a river. The height h of the stone measured from the river t seconds after it is dropped is given by h = -16t2+400. How long will it take the stone to hit the river

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A stone is dropped from a bridge that is 400 ft above the surface of a river. The height h of the st...