Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 16 - Section 16.4 - Exercises and Problems - Page 299: 32


$X_2=6.75 ft$

Work Step by Step

We set up a ratio: $ \frac{x_1}{k_1}= \frac{x_2}{k_2}$ We plug in the values for the thermal conductivity of Styrofoam and concrete. Using this, we find the answer: $X_2=6.75 ft$
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