In western movies, the hero sometimes detects an approaching train by listening to the railroad tracks. If
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In western movies, the hero sometimes detects an approaching train by “listening” to the railroad tracks. If the tracks are made of steel, how many times faster does sound travel in the tracks than in air?
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Related Book For
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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