Two reversible heat engines operate in series between a source at 527oC and a sink at 17oC. If the engines have equal efficiencies and the first rejects 400 kJ to the second, calculate. V P A B C D 500 K 200 K Net work done = 60.0 J Heat bath at TH Heat bath at TL Heat Pump w qL qH Page 15 of 17 (a) The temperature at which heat is supplied to the second engine; (b) The heat taken from the source; (c) The work done by each engine