Question 632451
The height of a soccer ball after being kicked is given by the function h(t)=-16t^2+48t. How many seconds after being kicked will the ball hit the ground?
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It's at ground level when h(t) = 0
-16t^2 + 48t = 0
Solve for t
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There are 2 times, t = 0 at launch, and at impact.