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Special relativity Problem

  1. Jun 7, 2009 #1
    The fictional starship Enterprise obtains power by combining matter and antimatter, achieving complete conversion of mass into energy. If the mass of Enterprise is approximately 5 X 109 kg, how much mass must be converted into kinetic energy to accelerate it from rest to one tenth the speed of light?

    of course, E=mc2 but I don't have the energy so I can't solve for m? What other ways can I approach this problem

    the answer in the back of the book is 2.5 X 107 kg
     
  2. jcsd
  3. Jun 7, 2009 #2
    nevermind! totally solved my own problem!
     
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