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At which temperature in water does sound travel the fastest? A. 15°C B. 20°C C. 18°C D. 25°C
25+25 = 50
Expert answered|EffyJ14|Points 1|
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Asked 7/25/2011 4:23:26 PM
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Asked 7/18/2011 7:57:51 AM
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Three identical satellites, X, Y, and Z are in outer space. The distance from satellite X to Y is 450 km, the distance from Y to Z is 600 km, and the distance from satellite Z to X is 450 km. Between which satellites will the force of gravity be the greatest?
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