Will a hot horizontal plate whose back side is insulated cool faster or slower when its hot

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Will a hot horizontal plate whose back side is insulated cool faster or slower when its hot surface is facing down instead of up?

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Fundamentals of Thermal-Fluid Sciences

ISBN: 978-0078027680

5th edition

Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala

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