Mathematics, 29.06.2019 03:00, Lululove

An object is thrown upward from the top of a 144-foot building with an initial velocity of 128 feet per second. the height h of the object after t seconds is given by the quadratic equation h= -16t^2 + 128t + 144. when will the object hit the ground?

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An object is thrown upward from the top of a 144-foot building with an initial velocity of 128 feet...