Answer
$67.65
Work Step by Step
We first find the efficiency:
$e = \frac{1}{COP}=\frac{1}{3.4}=.294$
We multiply this by the monthly heating bill for the house. We call c the cost to obtain:
$c= .294 \times 230 = 67.65$
Essential University Physics: Volume 1 (4th Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0-134-98855-8
ISBN 13:
978-0-13498-855-9
Chapter 19 - Exercises and Problems - Page 362: 41
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