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if you see the flash of a lighting bolt and 3 seconds later you hear the clap of thunder. how far away was the lighting bolt?
9 years ago

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Scott
the speed of sound in air is approximately 340 m/s

the speed of light (from the flash) is approximately 3E8 m/s ... instantaneous for practical purposes

so the distance to the bolt is
... 3 s * 340 m/s
9 years ago

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