Question

a stone dropped from the roof of a house reaches the ground in 1.5 secs. calculate the distance of the roof from the ground and the velocity of the stone with<br /> which it strikes the ground

Answer 1

answer is 
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Answer 2

From v=g.t and g= ~32.125

we calculate

t= 115/32.125= ~3.58s.

d= v/2 * t = 115/2 * 3.58 =~ 205.85 feet.

Sorry for clumsy math notations