The third rail that carries electric power to a subway train is an iron bar whose rectangular

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The “third rail” that carries electric power to a subway train is an iron bar whose rectangular cross section measures 10 cm by 15 cm. Find the resistance of a 5.0-km length of this rail.

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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Question Posted: Feb 28, 2020 05:00 AM

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The third rail that carries electric power to a subway train is an iron bar whose rectangular

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Essential University Physics

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