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Homework Help: Physics probelm 23

  1. Dec 3, 2006 #1
    1. The problem statement, all variables and given/known data
    Two students on roller skates stand face-to-face the push eachother away. One student has a mass of 90kg the other 60kg. Find the ratio of their velocities just after their hands lose contact. Which student has the greater speed
  2. jcsd
  3. Dec 3, 2006 #2
    Hint-Does conservation of linear momentum tell you something? :)
  4. Dec 3, 2006 #3


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    Staff Emeritus
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    HINT: Conservation of momentum.

    Edit: Damn it too slow!
  5. Dec 3, 2006 #4
    huh? i don't get it
  6. Dec 3, 2006 #5
    You don't know what the linear momentum is?

    PS- Sorry, Hootenanny :approve: .
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