#### Answer

Please see the work below.

#### Work Step by Step

We know that
$COP=\frac{T_c}{T_h-T_c}$
We plug in the known values to obtain:
$COP=\frac{273}{(273+30)-(273+0)}$
$COP=9.1$

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Published by
Pearson

ISBN 10:
0321993721

ISBN 13:
978-0-32199-372-4

Please see the work below.

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