A person hears an echo from the top of the tower,2.2sec after the sound produced. How far is the tower from the person? Speed of sound in air is 33*33 m/sec.
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A person hears an echo from the top of the tower,2.2sec after the sound produced. How far is the tower from the person? Speed of sound in air is 33*33 m/sec.
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total time=2.2 sec
total speed= 33.33 m/sec
hence total distance=speed*time
=2.2*33.33
=730.4 m
distance of the person from the tower
=d/2
=730.4/2
=365.2m
hope it helps you....