A cup of hot coffee can be cooled by placing a cold spoon in it. A spoon

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A cup of hot coffee can be cooled by placing a cold spoon in it. A spoon of which of the following materials would be most effective for this purpose: aluminum, copper, iron, glass? Assume the spoons all have the same mass.

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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