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A mass of 2 kilogram is being pulled in the positive x direction by a rope of tension T. The mass starts from rest and reaches a speed of 7 m/s in 4.0 second. The coefficient of kinetic friction between the surface and the mass is 0.2. Theta equals 30 degrees.
(a) Determine the magnitude of the tension.
(b) Find what will be the displacement after 4.0 sec assuming it starts from rest?
(c) Determine the work done by tension in 4.0 sec?
(d) Determine the net work on the mass in the 4.0 sec interval.
(e) Determine the change in kinetic energy?
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