Essential University Physics: Volume 1 (4th Edition)

Published by Pearson
ISBN 10: 0-134-98855-8
ISBN 13: 978-0-13498-855-9

Chapter 16 - Exercises and Problems - Page 311: 66


$-42^{\circ}F$ Thus, you will not be able to maintain a normal body temperature.

Work Step by Step

We first must find the change in temperature: $\Delta T = \frac{\Delta x H}{kA} = \frac{4 \times 10^{-2}\times 100}{.044 \times 1.5} = 61 K $ Subtracting this from room temperature, which is 293.15 Kelvin, we find: $ T = 293.15 - 61 = 232.15 K$ This is the same as $-42^{\circ}F$.
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