Carnot Air Conditioner Question.

[MrGoodyear812]

Q:

A Carnot air conditioner operates between an indoor temp of 20C and an outdoor temp of 39C, how much ENERGY does it need to remove 2000 J of heat from the interior of the house?

A: 130J

i got 121J

?

 

[Dickfore]

The quoted answer is correct. Yours is wrong? How did you solve it?

 

[Andrew Mason]

Q:

A Carnot air conditioner operates between an indoor temp of 20C and an outdoor temp of 39C, how much ENERGY does it need to remove 2000 J of heat from the interior of the house?

A: 130J

i got 121J

?

What is the Coefficient of performance (COP) of this air conditioner?

AM