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A coin, thrown upward at time t = 0 from an office in the Empire State Building, has a height in feet above the ground t seconds later given by

(b) At what time does the coin hit the ground? Include units in your answer.

 Sep 10, 2021
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the initial height is given by  h(0)      so sub in t=0

 

and the time it hits the ground is when   h(t)=0    This is not hard either.

 Sep 10, 2021

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