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Position as function of time

  1. Oct 5, 2007 #1
    An object with mass m moves along the x-axis. Its position as a function of time is given by x(t)=At-Bt^3, where A and B are constants. Calculate the net force on the object as a function of time.

    ans: -6Btm
  2. jcsd
  3. Oct 5, 2007 #2
    What is the Newtonian formula for force which includes a derivative of position with respect to time?
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