$5\mathrm{.}80$ Consider a room at $20\text{'}$C that is cooled by an air conditioner with a COP of $3\mathrm{.}2$ using a power input of $2$ kW$,$ and the outside temperature is $35$C$.$ What is the constant in the heat transfer Eq$.5\mathrm{.}15$ for the heat transfer from the outside into the room?

$5\mathrm{.}8020\text{'}$C $$COP $3\mathrm{.}2,2$ kW$,35$C$$ Eq $5\mathrm{.}15$