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A worker lives at a distance of 1.32 km from the factory. If the speed of sound in air is 330 m s–1, how long will the sound of factory siren take to reach the worker?

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A worker lives at a distance of 1.32 km from the factory. If the speed of sound in air is 330 m s<sup>–1</sup>, how long will the sound of factory siren take to reach the worker?






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