Answer
$0.41KW$
Work Step by Step
As we know that
$COP=\frac{T_c}{T_h-T_c}=\frac{Q_c}{W}$
We plug in the known values to obtain:
$\frac{294}{305-294}=\frac{11KW}{W}$
$\implies W=0.41KW$
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