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Inclined Planes

  1. Oct 21, 2009 #1
    Hello there, I am having trouble with this question:

    A seal, mass of 82kg, jumps onto a horizontal ice float with a Vo of 6m/s i. The friction between the seal's belly and ice is 160N. g is 9.81m/s^2. How far does the seal slide?

    So so far, if I'm correct, I calculated the acceleration:

    Fnet=ma (i)

    a= Ffriction/mass

    a=-160N/82kg=1.95m/s^2.

    And now I'm stuck. Do you need to find the time?
     
    Last edited: Oct 21, 2009
  2. jcsd
  3. Oct 21, 2009 #2

    tiny-tim

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    Hello einsteinette! :smile:

    Use the work-energy equation … work done = change in energy. :wink:
     
  4. Oct 21, 2009 #3
    Ahh! Ok thanks! I get it now!
     
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