An Ideal Frictionless Engine Takes in 10 KJ of Heat

Multiple Choice

An ideal frictionless engine takes in 10 kJ of heat per second when it operates between 500 K and 400 K. The work that the engine does per second is

A) 2 kJ.
B) 2.5 kJ.
C) 8 kJ.
D) 10 kJ.