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mazdacx5 mazdacx5
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6 years ago
If you shout across a canyon and the echo returns in four seconds, how far away is the other side? (Velocity of sound in air is 300 m/s).
 a. 150 b. 300 c. 600 d. 1200 e. 2400 meters
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hetomlinson06hetomlinson06
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6 years ago
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mazdacx5 Author
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6 years ago
Great, will mark the topic solved
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