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Principle of relativity

  1. Apr 24, 2009 #1
    1.

    I'm asked to apply the principle of relativity in Newtonian physics to show that particle L cannot leave the 3-axis and to explain why the identical nature of particles J and K is crucial.

    2.

    An isolated system consists of 3 particles J, K and L

    J and K have mass m and are identical. L has mass M.

    In an inertial frame P the initial positions and velocities are :

    For J : x(0)= (-3,4,0) v(0)= (0,2,-1)

    For K : x(0)= (3,-4,0) v(0)= (0,-2,-1)

    For L : x(0)= (0,0,4) v(0)= (0,0,2)

    In an inertial frame P' the initial positions and velocities are :

    For J : x(0)= (3,-4,0) v(0)= (0,-2,-1)

    For K : x(0)= (-3,4,0) v(0)= (0,2,-1)

    For L : x(0)= (0,0,4) v(0)= (0,0,2)


    3. The attempt at a solution

    I'm not sure where to start. Does it hace anything to do with if L leaves the 3-axis then P and P' will be able to tell their reference frames apart from one another?
     
  2. jcsd
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