A domestic food freezer maintains a temperature of (-15^{circ} mathrm{C}). The ambient air temperature is (30^{circ} mathrm{C}).

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A domestic food freezer maintains a temperature of \(-15^{\circ} \mathrm{C}\). The ambient air temperature is \(30^{\circ} \mathrm{C}\). If heat leaks into the freezer at the continuous rate of \(1.75 \mathrm{~kJ} / \mathrm{s}\), what is the least power necessary to pump this heat out continuously.

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