SOLUTION: a penny is dropped from the observation deck of the cn tower. its height, in meters, after t seconds, is given by the equation h=500-5t squared. How many seconds will it take the p

Algebra ->  Linear-equations -> SOLUTION: a penny is dropped from the observation deck of the cn tower. its height, in meters, after t seconds, is given by the equation h=500-5t squared. How many seconds will it take the p      Log On


   



Question 878128: a penny is dropped from the observation deck of the cn tower. its height, in meters, after t seconds, is given by the equation h=500-5t squared. How many seconds will it take the penny to hit the ground
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
h=500-5t^2
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It hits the ground when h = 0
500-5t^2 = 0
Solve for t
Ignore the negative value, if any.