An engine receives 790Jof heat from a hot reservoir and gives off 430Jof heat to

Question

An engine receives 790Jof heat from a hot reservoir and gives off 430Jof heat to a cold reservoir. Part A What is the work done? W= J Submit Part B What is the efficiency of this engine? e= Submit An engine receives 790Jof heat from a hot reservoir and gives off 430Jof heat to a cold reservoir. An engine receives 790Jof heat from a hot reservoir and gives off 430Jof heat to a cold reservoir. An engine receives 790Jof heat from a hot reservoir and gives off 430Jof heat to a cold reservoir. Part A What is the work done? W= J Submit Part B What is the efficiency of this engine? e= Submit Part A What is the work done? W= J Submit Part A What is the work done? W= J Submit W= J W= J Submit Part B What is the efficiency of this engine? e= Submit Part B What is the efficiency of this engine? e= Submit e= e= Submit W= J

Explanation / Answer

W = 790-430 = 360

E = 360/790 = 0.455

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