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Mathematics 9 Online
OpenStudy (anonymous):

medal and fan Former NFL punter Ray Guy holds the record for the longest hangtime on a punt. If the ball leaves with an upward velocity of 128 ft/s from an initial height of 4 feet, how long will the ball be in the air? Use the formula H= -16t(squared) +128t +4, where h is the height of the ball in feet and t is the time in seconds since it is kicked. Round your answer to the nearest tenth. A. 2.7 seconds B. 3.0 seconds C. 5.6 seconds D. 8.0 seconds

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