Answer
Ideal efficiency = $\frac{2700 K – 200 K}{2700 K} = 0.93 = 93\%$.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 18 - Plug and Chug - Page 351: 34
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