Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 16 - Exercises and Problems - Page 300: 61


The house will still be comfortable.

Work Step by Step

We must divide the rate at which the people increase the temperature of the house by the rate at which the heat leaves the house to find how much warmer the house will be than outside. Thus, we find: $ T = \frac{36 \times 100}{320} = 11.25$ Adding this to the 8 degree temperature outside, we find that the temperature will be around 20 degrees Celsius. This will be slightly below room temperature, which is around 25 degrees Celsius, but the house will still be comfortable.
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