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Need help!

  1. Sep 16, 2006 #1
    A disc, a sphere and a thin-walled tube are placed on an incline and roll down without slip. Which will acquire the greatest acceleration? Does the answer depend on the object having the same diameter?
  2. jcsd
  3. Sep 16, 2006 #2


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    Think moments of inertia.
  4. Sep 17, 2006 #3
    Use energy conservation and what alridno suggests, the result should jump out at you.
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