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Finding the height of oil?

  1. Feb 25, 2009 #1
    A U-tube of circular diameter 5.60 mm initally contain just water. If 4.00 milliliters(cm^3) of oil is added to the left hand side of the tube the level of the oil is 6.8 mm higher than the level of the water in the right hand side of the tube. Determine the height of the oil.

    i'd give some help, but i'm actually clueless on how to start this.
  2. jcsd
  3. Feb 25, 2009 #2


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    Homework Helper

    First start by converting the diameter of the inner tubing (which they give) to milli-liters of volume which is how much oil they add. i.e how many mm of height is 1 milliliter of volume.

    Then draw a picture showing the oil standing higher (and how much below that the oil/water interface is).
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