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AP Physics B thermodynamics

  1. Oct 10, 2009 #1
    In a heat engine is the net work negative or positive?
    Also, What about a refrigerator?
     
  2. jcsd
  3. Oct 11, 2009 #2

    Mapes

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    Hi lowg, welcome to PF. What are your thoughts on the matter? We don't do people's work for them, but you'll likely get helpful comments if you try to answer the questions yourself and give your reasoning.
     
  4. Oct 13, 2009 #3
    Okay, thanks for the advice.
     
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