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Homework Help: Truck loses cargo question

  1. Oct 13, 2011 #1
    I was hoping some one could help me by giving an equation on how to do this question, I can't seem to find one for it in my notes :/


    A box of mass 11.3kg rests on the flat floor of a truck. The coefficients of friction between the box and floor are Us= 0.18 and Uk= 0.16. The truck stops at a stop sign and then starts to move with an acceleration of 2.16m/s/s
    If the box is a distance 1.75m from the rear of the truck when the truck starts, how much time elapses before the box falls off the truck?
     
  2. jcsd
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