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Two rocks Momentum problem

  1. Sep 26, 2009 #1
    1. The problem statement, all variables and given/known data
    Two rocks are tied together with a string of negligible mass, and thrown into the air. At a particular instant, rock 1, which has a mass of 0.2 kg, is headed straight up with a speed of 2 m/s, and rock 2, which has a mass of 0.35 kg, is moving parallel to the ground, in the +x direction, with a speed of 8.5 m/s.

    What is the total momentum of the system consisting of both rocks and the string?


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Sep 26, 2009 #2

    Pengwuino

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    Gold Member

    What is your attempt at the problem?
     
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