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Angular Acceleration Problem - The Grindstone Problem

  1. Dec 16, 2013 #1
    A grindstone, initially at rest, is given a constant angular acceleration so that it makes 20.0 rev in the first 8.00 s. What is its angular acceleration?

    I don't know which angular formula to use and how many are out there? I am so confused
     
  2. jcsd
  3. Dec 16, 2013 #2
    First off you might want to post in the homework help sub forum.

    Second off, my tip is to realize the parallels between translational and rotational equations. They both simply deal with a position variable and it's rate of change, whether it be x or theta, the relations between the simple number and it's rate if change are the exact same.
     
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