A copper sphere having a diameter of 3 0 cm is initially at a uniform temperature of 50C It is suddenly exposed to an airstream of 10C with h 15 W m2C How long does it take the sphere temperature to drop to 25C ...

A copper sphere having a diameter of 3.0 cm is initially at a uniform temperature of 50C.

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A copper sphere having a diameter of 3.0 cm is initially at a uniform temperature of 50ºC. It is suddenly exposed to an airstream of 10ºC with h = 15 W/m2·ºC. How long does it take the sphere temperature to drop to 25ºC?

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Heat Transfer

ISBN: 978-0073529363

10th edition

Authors: Jack Holman

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Question Posted: Apr 22, 2016 04:53 AM

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A copper sphere having a diameter of 3.0 cm is initially at a uniform temperature of 50C.

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Heat Transfer

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