Lightning can be seen the movement it occurs. Paheli observes lightning in her area. She hears the sound 5s after she observed the lightning. how far is she from the place where lightning occurs? ( speed of sound = 330 m / s ) .
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the distance is 5*330=1650m
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Speed of light is 3*10 power 8 m/s , the velocity of light is much grater than sound because of this reason she hears the sound after observed the lightning.
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