Answer:c>a>b
Explanation:
Given
All the engine extracts same amount of heat(Q) from High-temperature reservoir
For a) 400 and 500 K




For b)500 K and 600K


For c) 400 K and 600 K


So c will give the highest amount of work
c>a>b
For the student box thing I believe it was the grass or carpet I hope this helps a little
Answer:
Kelvin to Celsius: C = K - 273 (C = K - 273.15 if you want to
Answer:
NICE HANDWRITING. I've done this before and I'm sure everything is correct. Although I would re-check to see if you had any mistakes with your calculations. Good job!
Explanation: