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Speed from slope conservation of energy

  1. Oct 14, 2012 #1
    Lets say we have three slopes
    a.The first one is a straight slope going down
    b.The second slop is like the first one but a little curved
    c.The third one would be like a ski hill where it goes down and up and down

    so first scenario is frictionless
    second scenario has fricion

    If a skier goes down this hill
    for the first scenario what would be the ranking of the final speed of the skier
    for the second scenario what would be the ranking of the final speed of the skier

    im guess for the first scenario the speed would all be equal
    for the second scenario it would be a>b>c

    i think this is a trick question so i need help thanks!
     
  2. jcsd
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