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Question in Mecanic

  1. Oct 18, 2013 #1
    when we use a change of reference
     
  2. jcsd
  3. Oct 18, 2013 #2

    Dale

    Staff: Mentor

    Hi adnane.Physics, welcome to PF

    You can change reference frames whenever you want. That is essentially what the first postulate of relativity states.
     
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