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OpenStudy (anonymous):
]Heather hits a tennis ball upward with an initial speed of 32 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.
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OpenStudy (amistre64):
its simply asking you to solve the quadratic equation with whatever method you are most comfy with
OpenStudy (amistre64):
0 = -16t^2 +32t
OpenStudy (anonymous):
So t=8?
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