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Speed of Sound

A worker live...

Question

A worker lives at a distance of $1.32$ km from the factory. If the speed of sound in air be $330$ m/s, how much time will the sound of factory siren take to reach the worker?

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Solution

Distance $d = 1.32 k m = 1320 m$
Speed of sound $v = 330 m / s$
Time taken $t = \frac{d}{v} = \frac{1320}{330} = 4 s$

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