A child watching Dussehra from a distance sees the effigy of ravana burst into flames and hears the explosion associated with it 2 sec after that. How far was he from the effigy if the speed of sound in air that night was 335m/sec ?
Answers
Answered by
38
speed = distance /time
distance = speet*time
=335*2
=670m
a child was 670m away from the spot where effigy burnt.
Answered by
3
Explanation:
Speed of sound in air = 335 m/s
Time required to reach the sound = 2 sec
Distance of the source of sound = ?
∴ Speed = DistanceTime
∴ Distance = Speed x Time
= 335 x 2 sec
= 670 m
A child was 670 m away from the spot where effigy burnt.
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