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Carnot cycle problem

  1. Apr 28, 2014 #1
    1. The problem statement, all variables and given/known data

    See attachment

    Im struggling with b and c.
    I did an attempt, but really don't know if it is correct.

    2. Relevant equations

    3. The attempt at a solution
    See attachment

    Attached Files:

    Last edited: Apr 28, 2014
  2. jcsd
  3. Apr 28, 2014 #2
    How can you just cut the ln sign from both sides?
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