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Posted by on Tuesday, March 8, 2011 at 7:18am.

after the infant's push, but before the box came to a stop, the box accelerated at a rate of 2 m/s^2. what was the coefficient of kinetic friction between the box and the floor during its motion?

  • Physics - , Tuesday, March 8, 2011 at 8:45am

    Is that an accleration rate or a deceleration rate? Is the ground level?

    If level and decelerating, then

    a = F/M = muk*M*g/M = muk*g

    muk = a/g = 0.2 is the coefficient of kinetic friction

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