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A 11.0 box is released on a 37 incline and accelerates down the incline at 0.25 .What is the coefficient of kinetic friction in units uk?

What is the friction force impeding its motion in N?

  • physics -

    The force down the plane is
    check me
    mgSinTheta, the force of friction is mu*mgCosTheta.

    Now what is .25? m/s? You have to put units with numbers, 37 (degrees?), .25 ?

    Maybe you meant .25m/s^2

    net force= ma
    mgsintheta-mu*mgCosTheta=m a
    check that, and solve for mu.

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