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Explosion of a projectile

  1. Jul 21, 2013 #1
    1. The problem statement, all variables and given/known data
    A rocket ship parked at rest in space suddenly explodes into 3 pieces of equal mass traveling in the directions shown. If the piece travelling upward has a speed of 150 m/s, what are the speeds of the other two pieces?


    2. Relevant equations



    3. The attempt at a solution
    How do I conserve the momentum in this case? I'm clueless.
     

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    Last edited: Jul 21, 2013
  2. jcsd
  3. Jul 21, 2013 #2
    I think you mean conserve momentum.
    Can you say anything about horizontal momentum?
     
  4. Jul 21, 2013 #3

    rude man

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    Write momentum equations for the three pieces in x and y. The assumption is that there is no z motion.
     
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