A hunter fires a gun on a cliff. Sound of firing is heard 12.5 s after seeing the smoke by an observer 4 km away from the cliff. Calculate the speed of sound in the air.
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Answer:
After how much time the sound of firing was heard = 12.5s
Distance between the observer and the cliff = 4km
= 4000m
Therefore, speed of sound in air = D/T
= (12.5/4000)
=0.003125m per sec
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