SOLUTION: a ball is thrown from a height of 35 meters with an initial downward velocity of 5 m/s. the balls height h(in meters) after t seconds is given by the following. h=35-5t-5t^2 how

Algebra ->  Rate-of-work-word-problems -> SOLUTION: a ball is thrown from a height of 35 meters with an initial downward velocity of 5 m/s. the balls height h(in meters) after t seconds is given by the following. h=35-5t-5t^2 how       Log On


   



Question 1190692: a ball is thrown from a height of 35 meters with an initial downward velocity of 5 m/s. the balls height h(in meters) after t seconds is given by the following. h=35-5t-5t^2
how long after the ball is thrown does it hit the ground?
round your answer to the nearest hundredth.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
h=35-5t-5t^2 = 0
Solve for t, ignore any negative solutions.