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Homework Help: Particle's Center of Mass?

  1. Sep 9, 2007 #1
    1. The problem statement, all variables and given/known data

    Consider a system consisting of two particles, one with three times the mass of the other. If the distance between the particles is 1.0 m, the system's center of mass is what distance from the smaller object?

    2. Relevant equations

    xcm = (m2/M)(D) = (m2 / (m1 + m2)) D

    3. The attempt at a solution

    mass of particle 1: 3
    mass of particle 2: 1

    (3 / (1 + 3)) * 1 = 3/4 m
  2. jcsd
  3. Sep 9, 2007 #2


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    Homework Helper

    Looks right to me.
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