Answer
$K= 2$
Work Step by Step
We have
$ K = \frac{Q_2}{W}$
Also $ W = Q_1 -Q_2 $
$200J = 600J - Q_2$
$Q_2 = 400J$
Thus, $ K = \frac{Q_2}{W}=\frac{400J}{200J}$
$K= 2$
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)
by Knight, Randall D.
Published by
Pearson
ISBN 10:
0321740904
ISBN 13:
978-0-32174-090-8
Chapter 18 - Heat Engines and Refrigerators - Exercises and Problems - Page 549: 4
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