A 4.0-cm cube of aluminum is initially at 450C and is suddenly exposed to a convection environment

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A 4.0-cm cube of aluminum is initially at 450ºC and is suddenly exposed to a convection environment at 100ºC with h = 120 W/m2 · ºC. How long does it take the cube to cool to 250ºC?
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Heat Transfer

ISBN: 978-0073529363

10th edition

Authors: Jack Holman

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