An orange is dropped from a building. One second after dropping the orange, it falls one storey. Two seconds after the orange is dropped, how many stories has it fallen?
Asked by akheelfiroz | 8th Aug, 2010, 09:00: PM
D. 4 Stories.
Height of one storey, i.e. after dropping the orange, h = ut + 1/2 at2 = 1/2 (10) (12 )= 5 m
Displacement of orange after 2 sec, 1/2 (10)(22) = 20 m.
Number of storey = 20 m / 5 m = 4
Answered by | 8th Aug, 2010, 09:41: PM
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