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Help with velocity and acceleration

  1. Nov 3, 2009 #1
    The 400 kg mine car is hoisted up the incline with a slope
    angle of 30°. The massless cable connects the mine car and
    the motor that induces its motion. The force in the cable is
    defined by following function F = 3200 t2 [N], where the
    time t is in seconds. The mine car has at t = 0 and s = 0 an
    initial velocity v1 = 2 m/s. There is no friction between the
    mine car and the incline.

    a) Determine the acceleration of the mine car for t = 1 s.
    b) Calculate the velocity of the mine car when t = 2 s.
    c) Determine the position of the mine car on the plane after t = 3 s.

    Can anyone help me to solve this problem? Just tell me which formulas to use in order to solve this problem .
     

    Attached Files:

  2. jcsd
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