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Impossible Physx Homework

  1. Oct 1, 2006 #1
    Nonuniform/Uniform Circular Motion... i think

    I keep putting my posts in the wrong forum. Anyway..

    I have a few problems left that I'm completely stumped on how to do.

    #1) A typical lab centrifuge rotates at 4000rpm. Test tubes have to be placed into a centrifuge very carefully because of the very large accelerations. What is the acceleration at the end of a test tube that is 10cm from the axis of rotation in?

    Out of my 6, these trouble me the most. For #1, I made the radius 10cm, the velocity constant, but am unsure what equations I need to plug those in.
    Last edited: Oct 1, 2006
  2. jcsd
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