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Mathematics, 28.06.2019 23:00 davidtemple
An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initial velocity of the ball is 40 ft per sec. the height s of the ball in feet is given by the equation s equals negative 2.7 t squared plus 40 t plus 6.5s=−2.7t2+40t+6.5 , where t is the number of seconds after the ball was thrown. complete parts a and b. a. after how many seconds is the ball 12 ft above the moon's surface?
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An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initia...
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