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 (4th Edition)
by Knight, Randall D.
Published by
Pearson
ISBN 10:
0133942651
ISBN 13:
978-0-13394-265-1
Chapter 21 - Heat Engines and Refrigerators - Exercises and Problems - Page 594: 5
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