1. The efficiency of a heat engine is 43%. If 3190 J of heat is transferred from the hot resevior to the cold one, how much of that energy reaches the cold resevior?
a. 1818 J
b. 2301 J**
c. 1370 J
d. 2002 J
PLS HELP
2 answers
b. 2301 J
Wrong. I know it's not C either, but I still don't know the right answer.