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Galilean Relativity Question

  1. Jun 3, 2013 #1
    1. The problem statement, all variables and given/known data
    I came across this problem in a worksheet and I am completely lost as to where to start; can someone help? The question is:

    Two trains are heading at the same speed, relative to the Earth, in opposite directions. A bomb explodes on each train, but not at the same times. An observer on train A says that the x-coordinate of bomb A was twice that of bomb B. An observer on train B, using the same origin and orientation, says that the x-coordinate of bomb B was twice that of bomb A. However, they agree on the time coordinates: bomb A's time coordinate was twice that of bomb B's. What are the x-coordinates of the bombs' explosions as measured by train B?


    2. Relevant equations
    x=x'-vt?


    3. The attempt at a solution
    I have no clue where to start; this problem doesn't make sense to me and I need some help to actually start this problem.
     
  2. jcsd
  3. Jun 3, 2013 #2

    Fredrik

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    Staff Emeritus
    Science Advisor
    Gold Member

    Obviously, the first step is to translate the given statements into mathematical statements. This involves choosing a notation.
     
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