The diagram shows a generic heat pump operating between two

Last updated: 7/4/2022

The diagram shows a generic heat pump operating between two temperature reservoirs. Here are the values for the variables indicated in the graphic: TH=615 K TL = 316 K QH=9550 J QL=1230 J Answer the three parts below, using three sig figs. How much work, W, is performed by this engine? What is the efficiency, e, of this engine? (Give your answer as a percent.)