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Help interpreting a momentum graph

  1. Jan 3, 2010 #1
    1. The problem statement, all variables and given/known data

    What is the objects momentum at 3 seconds, on the graph at 3 seconds it is exerting 35n

    2. Relevant equations

    f=change in momentum/time

    3. The attempt at a solution
    I got 105kgms but it was marked wrong...
    I can make the graph in paint if it will help anybody.
     
  2. jcsd
  3. Jan 3, 2010 #2

    rock.freak667

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    Homework Helper

    It would be beneficial to post the graph as well.
     
  4. Jan 3, 2010 #3
    ok:
    a.jpg
     
  5. Jan 3, 2010 #4

    rock.freak667

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    Homework Helper

    then simply the area under the graph gives the change in momentum, so from t=1 to t=3 find the area. It forms a rectangle and triangle.
     
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