Physics

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A hockey puck of mass .2kg is sliding down an inclined plane with an angle of 15 degrees to the horizon. If the puck is moving with a constant speed, what is the coefficient of kinetic friction between the puck and the plane?

  • Physics -

    mgsinα=F(fr) = μN= μmgcosα
    sinα= μcosα
    μ=tanα

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