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Center of mass

  1. Jun 21, 2004 #1
    center of mass!!

    Hey guys, please help. it's due tomorrow at 6 pm. :(

    Two people, one of mass 65kg and the other of mass 40kg, sit in a rowboat of mass 85kg. With the boat initially at rest, the two people, who have been sitting at opposite ends of the boat, 4.0m apart from each other, exchange seats.
    How far will the boat move?
    and in what direction will the boat move?

    I know it's related to center of mass thing, but couldn't figure it out....
  2. jcsd
  3. Jun 21, 2004 #2


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    Staff Emeritus
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    Please do not post the same question in both k-12 and undergraduate homework.
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