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Way to simple

  1. Nov 22, 2006 #1
    A heat engine produces 8500 J of heat while performing 2700 J of useful work. What is the efficiency of this engine?

    e=W/Q_h =2700 J/8500 J =0.32 or 32%

    This just looked way to easy...hoping to have someone double check
  2. jcsd
  3. Nov 22, 2006 #2


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    Sounds good.
  4. Nov 22, 2006 #3
    Wow, what an easy problem. Thanks for the help
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