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If an object is dropped from a height of 198 feet, the function h(t)=-16t^2 +198 gives the height of the object after t seconds. When will the object reach 100 feet?

 Aug 4, 2021
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h(t)=-16t^2 +198

100 = -16t^2 + 198 

-16t^2 + 98 = 0

16t^2 = 98

t^2 = 98/16

t = 2.475  sec

 Aug 4, 2021

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