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jennychan12

  • one year ago

Explain this? A skier traveling 12.0 m/s reaches the foot of a steady upward 18° incline and glides 12.2 m up along this slope before coming to rest. What is the average coefficient of friction?

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  1. jennychan12
    • one year ago
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    i know that |dw:1356999791579:dw|

  2. jennychan12
    • one year ago
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    i know it's non conservative, but what about the mass? because the W(fr) has no mass attached to it.

  3. Diwakar
    • one year ago
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    Find the average retardation by v^2-u^2=2as where final velocity v=0 initial velocity u=12m/s distance travelled=12.2m After that use a=gsin(18)+xgcos(18) to solve for x, the coefficent of friction

  4. jennychan12
    • one year ago
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    so the masses basically just cancel out? thanks.

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