SOLUTION: an arrow is shot into the air from a building that is 32ft high. the height of the arrow after t seconds is given by the formula h(t)=-16t^2+48t+32=0 when will the arrow hit the g

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Question 751433: an arrow is shot into the air from a building that is 32ft high. the height of the arrow after t seconds is given by the formula h(t)=-16t^2+48t+32=0
when will the arrow hit the ground?

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Solve for t

Use the quadratic formula to solve for t



Plug in , ,







or

or

or

or

Ignore the negative solution (since a negative time doesn't make sense)

So the only solution is approximately

This means it will take approximately 3.561553 seconds for it to hit the ground.

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