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If sound travels approximately 1 km in 3 s, and the lightning is striking 10 km from your house, how much time passes between a flash of lightning and the sound of thunder?
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If sound travels approximately 1 km in 3 s, and the lightning is striking 10 km from your house, how much time passes between a flash of lightning and the sound of thunder?

User Almouro
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1 Answer

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If the lightning is 10 km and the sound takes 3 seconds to travel 1 km, then the sound takes 30 seconds to travel 10 km.

3 seconds * 10 kilometers = 30 seconds
User Xuso
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