Answer
$\epsilon=99.99995\%$
Work Step by Step
We know that:
$\epsilon=1-\frac{T_L}{T_H}$
We plug in the known values to obtain:
$\epsilon=1-\frac{373}{7\times 10^8}=0.9999995$
$\epsilon=99.99995\%$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 20 - Entropy and the Second Law of Thermodynamics - Problems - Page 605: 26
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