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 initially at rest, show that the speed of the coupled engine and car is 4 km/h?
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Conceptual Physics

ISBN: 978-0321909107

12th edition

Authors: Paul G. Hewitt

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