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.
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.
+73 
(b) At what time does the coin hit the ground? Include units in your answer.
