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Mathematics, 21.04.2021 01:50 lizzyhearts

A rocket is launched from the top of an 60 foot cliff with an initial velocity of 150 ft./s. The height H of the rocket after T seconds is given by the equation H = -16t2+150t+60. how long after the rocket is launched will it be 20 feet from the ground?

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A rocket is launched from the top of an 60 foot cliff with an initial velocity of 150 ft./s. The hei...
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