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Help with Kinematics Problem

  1. Jan 12, 2008 #1
    I am having some trouble with this simple kinematics problem. Here it is:

    A skier is gliding along at 2.91 m/s on horizontal, frictionless snow. He suddenly starts down a 22° incline. His speed at the bottom is 12.18 m/s.

    The first question asks for the length of the incline, which I got 19.0610 m.

    The second question asks how long it takes to reach the bottom. Can anyone help me set this up?

  2. jcsd
  3. Jan 12, 2008 #2

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