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Homework Help: Inertia of Momentum

  1. Apr 15, 2013 #1
    1. The problem statement, all variables and given/known data

    Given: A flat dance floor of dimensions lx = 17mbyly =15mandhasamassofM = 1100 kg. Use the bottom left corner of the dance floor as the origin. Three dance couples, each of mass m = 100 kg start in the top left, top right, and bottom left corners.
    What is the initial y coordinate of the cen- ter of gravity of the dance floor and three couples?
    Answer in units of m

    2. Relevant equations

    xcm: m1x1 + m2x2/m1+m2

    3. The attempt at a solution
    I am so lost any help would be appreciated! Thanks
  2. jcsd
  3. Apr 16, 2013 #2
    Hello Krobinson2851

    Why don't you just apply the equation you have written down (and the equivalent one for yCM).
    If you get stuck, show us what you've done.
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