SOLUTION: David drops a ball from the top of a building with a height of 144 ft.The height(h) of the ball,in feet,after (t) seconds can be found using the formula h= -16t^2+144. How long wil

Algebra ->  Test  -> Lessons -> SOLUTION: David drops a ball from the top of a building with a height of 144 ft.The height(h) of the ball,in feet,after (t) seconds can be found using the formula h= -16t^2+144. How long wil      Log On


   



Question 526655: David drops a ball from the top of a building with a height of 144 ft.The height(h) of the ball,in feet,after (t) seconds can be found using the formula h= -16t^2+144. How long will it take the ball to reach the ground?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
h= -16t^2+144 = 0
Solve for t