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a 17 kg sled is being pulled along the horizontal snow covered ground by a horizontal force of 22 N. starting from rest the sled attains a speed of 1.9 m/s in 7.8 m find the coefficient of kinetic fiction between the runners of the sled and the snow.

  • physics - ,

    a=v²/2s =1.9²/2•7.8=0.23 m/s²
    μ=a/g = 0.23/9.8=0.23

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