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Homework Help: Air conditioning unit work more effectively when it is placed high up

  1. Jan 3, 2009 #1
    Why does an air conditioning unit work more effectively when it is placed high up a wall?
     
  2. jcsd
  3. Jan 3, 2009 #2

    Mapes

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    Re: Convection

    Please show your attempt to figure this out first. What do you think?
     
  4. Jan 4, 2009 #3
    Re: Convection

    hint: think about density of hot and cold air.
     
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