SOLUTION: Given h(t)=-16t^2+96t+640 how long would it take a ball thrown from the height of 640 ft. and velocity is 96 ft/sec to hit the ground?

Algebra ->  Equations -> SOLUTION: Given h(t)=-16t^2+96t+640 how long would it take a ball thrown from the height of 640 ft. and velocity is 96 ft/sec to hit the ground?      Log On


   



Question 406994: Given h(t)=-16t^2+96t+640 how long would it take a ball thrown from the height of 640 ft. and velocity is 96 ft/sec to hit the ground?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
h(t)=-16t^2+96t+640
-16t^2+96t+640 = 0
Solve for t