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Homework Help: Moment of Inertia Lab= help!

  1. Nov 9, 2005 #1
    I am doing a physics lab and i have no idea what exactly i have to do. I have no time to go to the tutorial and i even read the book.
    I am doing a lab based on moment of inertia.
    The problem i am having is that i have to
    derive an expression for the rotational inertia of the rotating cross arms in terms of : m, g, t, h, and r
    i wish i can tell you more about the lab but unfortunately i cannot get it right now. hopefully you guys can help. i don't think you can since you don't know much info about my lab...but it's worth a try.
  2. jcsd
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