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A block weighing N\displaystyle {N}  is moved at a constant speed over a horizontal surface by a force of N\displaystyle {N}  applied parallel to the surface.

type "mu" for μ\displaystyle \mu 

  1.    What is the coefficient of kinetic friction?

    Formula

    Substitution

    Solve

  2. What would be the acceleration of the block if the coefficient of Kinetic friction was \displaystyle  ?

     

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