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

In summary, the conversation was about the importance of setting achievable goals and having a plan to reach them. The speaker emphasized the need to break down larger goals into smaller, manageable tasks and to stay focused and disciplined in order to achieve success. They also discussed the value of celebrating small victories along the way and adjusting goals as needed.
  • #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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