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Piston pushed in a cylinder

  1. Dec 4, 2007 #1
    1. How far must a 2.0-cm-diameter piston be pushed down into one cylinder of a hydraulic lift to raise an 8.0-cm-diameter piston by 20 cm?

    2. Relevant equations

    3. what equations do i use is it pV=nRT
  2. jcsd
  3. Dec 5, 2007 #2

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    Volume displaced by small piston must be equal to volume displaced in bigger cylinder. The liquid is taken to be incompressible.
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