SOLUTION: Eduardo counted ten seconds between seeing lightning and hearing thunder, and he know that the lightning was about 2 miles away. If he counted four seconds between the next flash o

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Question 607961: Eduardo counted ten seconds between seeing lightning and hearing thunder, and he know that the lightning was about 2 miles away. If he counted four seconds between the next flash of lightning and thunder, about how far away was the lightning
Answer by Alan3354(69443) About Me  (Show Source):
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Eduardo counted ten seconds between seeing lightning and hearing thunder, and he know that the lightning was about 2 miles away. If he counted four seconds between the next flash of lightning and thunder, about how far away was the lightning
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Speed of sound = 2 mi/10 seconds = 0.2 miles/second
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4 sec * 0.2 mi/sec = 0.8 miles