madisynivy6
17.12.2019 •
Physics
On a hot day, you are in a sealed, insulated room. the room contains a refrigerator, operated by an electric motor. the motor does work at the rate of 254 w when it is running. assume the motor is ideal (no friction or electrical resistance) and that the refrigerator operates on a reversible cycle. in an effort to cool the room, you turn on the refrigerator and open its door. let the temperature in the room be 325 k when this process starts, and the temperature in the cold compartment of the refrigerator be 264 k. at what net rate is heat added to (+) or subtracted from the room and all of its contents?
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