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Momentum of a Ball tossd in the air.

  1. Oct 10, 2012 #1
    1. The problem statement, all variables and given/known data
    A ball was thrown up from the ground with 10 units of momentum. The momentum of the recoil of the earth is also 10 units of momentum. This means that the earth recoils with a certain velocity in the opposite direction to the ball.

    True or False?

    2. Relevant equations
    Momentum Conservation Principle


    3. The attempt at a solution
    I believe the answer is True because:
    m1 x Δv1 = -m2 x Δv2

    Am I correct?
     
  2. jcsd
  3. Oct 10, 2012 #2

    tiny-tim

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  4. Oct 10, 2012 #3
    Thank you! I submitted the assignment, and it was the correct answer!
     
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