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    ashtaveer's Avatar
    ashtaveer Posts: 1, Reputation: 1
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    #1

    Jan 16, 2012, 10:19 AM
    Force-Physics
    Two children A and B of masses 42kg and 34kg respectively are playing "catch me if you can" in a park. At a particular instant, A is running towards north-west at a speed of 5.5m/s and B is heading 60 degree north of east at 6.8m/s. Find the total linear momentum of the system.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Jan 16, 2012, 10:25 AM
    Remember that momentun is a vector:



    To find the total momentun of the system you add together the momentum vector of each child, using vector addition.
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