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Speed of Recoil/Ballistics

  1. Aug 6, 2009 #1
    A bullet with mass 0.40 kg is fired with an initial velocity of 400 m/s from a gun with mass 5.0 kg. The speed of the recoil of the gun is?

    Do I use this equation m1v1=m2v2?
    Can someone give me just a hint?
     
  2. jcsd
  3. Aug 6, 2009 #2

    rock.freak667

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    Homework Helper

    Yes you would need to use conservation of linear momentum.
     
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