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Physics question about centrifuge?

  1. Dec 14, 2008 #1
    1. The problem statement, all variables and given/known data
    How does centrifuge work? a.) What is the physical principle behind the function of this device? b.) What is the difference between the stuff that goes to the top and the stuff that goes to the bottom. c.) What equation shows this? d.) When you centrifuge blood, plasma appears at the top of the tube while the blood cells appear at the bottom. What can you conclude about plasma and blood cells because of this?

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Dec 14, 2008 #2
    Hint: the force in a centrifuge is always pointing in.
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