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Mass of a particle at speed of light

  1. Dec 11, 2008 #1
    1. The problem statement, all variables and given/known data
    I remember hearing in class that the mass of a particle nears infinity as the speed of the particle nears the speed of light. Is this true? And why is this true?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Dec 11, 2008 #2

    LowlyPion

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  4. Dec 11, 2008 #3
    Thank you! :)
     
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