Question 588915
If you drop a stone from a bridge 50 feet above the water, the height h of the stone t seconds after you drop it is given in feet by: h=50-16t^2.

a) What is the height of the stone after 1 second?
Sub 1 for t
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b) When does the stone hit the water?
h=50-16t^2 = 0
Solve for t