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OpenStudy (anonymous):
A punter kicks a football upward with an initial speed of 48 feet per second. After how many seconds does the ball hit the ground? Use the formula h = rt − 16t2 where h represents height in feet and r represents the initial speed. (4 points)
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OpenStudy (anonymous):
3 seconds
OpenStudy (anonymous):
48t - 16t^2 = 0 x = either 0 or 3 so x = 3
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