A railroad diesel engine weighs four times as much as a freight car. If the diesel engine

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A railroad diesel engine weighs four times as much as a freight car. If the diesel engine coasts at 5 km/h into a freight car that is initially at rest, show that the speed of the coupled cars is 4 km/h.

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Conceptual Physics

ISBN: 978-0321568090

11th edition

Authors: Paul G. Hewitt

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Question Posted: Mar 25, 2016 05:29 AM

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A railroad diesel engine weighs four times as much as a freight car. If the diesel engine

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Let m be the mass of the freight car and 4 m the ma...View the full answer

Conceptual Physics

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