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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College Physics Reasoning and Relationships

ISBN: 978-0840058195

2nd edition

Authors: Nicholas Giordano

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Question Posted: Feb 12, 2019 12:17 PM

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In western movies, the hero sometimes detects an approaching train by listening to the railroad tracks. If

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We can find a straightforward ratio of the two speeds No ...View the full answer

College Physics Reasoning and Relationships

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