A stone dropped from the top of a tower travels 59 of the height of tower during the last second of fall. Height of the tower is: (take g = 10 m/s2)
52 m
36 m
45 m
78 m
Let T =time of flight and H -height of tower, then H=12gT2 and H-59H=12gT-12⇒T=3sSo, height of the tower = 12(10)(3)2= 45m