Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 18 - Heat Engines and Refrigerators - Exercises and Problems - Page 549: 5

Answer

a)$Q_2 = 200J$ b) $Q_1 = 250J$

Work Step by Step

We have $ K= 4.0$ and $W=50J$ a) $ K= \frac{Q_2}{W}$ $Q_2 = K*W$ $Q_2 = 4.0* 50J$ $Q_2 = 200J$ b) $ Q_1 =W+Q_2$ $Q_1 = 50J + 200J$ $Q_1 = 250J$
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