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dalvyx [7]
3 years ago
7

A punter kicks a football upward with an initial speed of 48 feet per second. After how many seconds does the ball hit the groun

d? Use the formula h = rt − 16t2 where h represents height in feet and r represents the initial speed. Numerical Answers Expected!
Mathematics
1 answer:
lana [24]3 years ago
4 0
Substituting the given information into the formula gives
  0 = 48t - 16t²
Factoring, this becomes
  0 = 16t(3-t)
The ball is at ground level when t=0 or t=3.

The ball hits the ground after 3 seconds.
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3 years ago
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