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March 26, 2017

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A sled with a weight of 200N is being pulled from rest by a force of 40 N across ice which has a coefficient of kinetic friction of ,070. If air resistance is negligible, find the acceleration of the sled. How far will the sled slide in 6 Sec?

  • physics - ,

    net force= mass*acceleration
    where net force= pulling force -mg*mu

  • physics - ,

    net force (F) = 40 - (0.07*200) = 26 N

    acceleration (a) = F/m = 26/(200/g)
    = 1.27 m/s^2

    Sliding distance in time t = (1/2) a t^2

  • physics - ,

    23m

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