Efficiency and Temperature in Heat Engine Cycles: Approaching Parts B, C, and D

  • #1
singularcell
1
0
Homework Statement
Need help with b,c,d.
Relevant Equations
Wnet/QH
e-carnot = 1-(Tc/Th)
Screenshot 2023-05-17 204522.png
SmartSelect_20230517_204248_Samsung Notes (1).jpg

I didn't have much trouble with part a but I'm struggling with b,c, and d. I considered the efficiency formula for a heat engine e = work done by engine/ qh
but i am unsure of how to approach it.
for part c) not sure how i can get to Tc without knowing Th
for d) my gut is telling me 5/2 but i have no explanation for that. Any guidance/help is appreciated
 
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  • #2
Let's see what you've done so far in part (b).
 

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