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Hockey puck on ice

  1. Feb 9, 2013 #1
    A hockey puck on a frozen pond with an initial speed of 21.9 m/s stops after sliding a distance of 209.7 m. Calculate the average value of the coefficient of kinetic friction between the puck and the ice.

    F(friction)=mu*Normal force
    Vf^2=Vi^2+2a(Xf-Xi)

    I used the second equation I gave to find the acceleration which is -1.14 m/s^s. I don't know what to do to get the answer from there.
     
  2. jcsd
  3. Feb 9, 2013 #2

    trollcast

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    Gold Member

    What is the Normal Reaction Force equal to?

    How can you work out the Deccelerating Force?

    Can you link those to together into 1 equation and then solve it? You'll need to assume the mass equals 1 or cancel them out.
     
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