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Physics

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A 13.0 kg box is released on a 33 degree incline and accelerates down the incline at o.20 m/s^2.

A. Find the friction force impeding it's motion

B. What is the coefficient of kinetic friction

  • Physics - ,

    F(fr) = μ •N= μ•m• g• cos α

    PE = W(fr) +KE,
    m•g•h= μ•m• g• s cos α• +m•v²/2,
    g•h= μ•g•s•cos α• + v²/2.

    You need “h”

  • Physics - ,

    .njljlj

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