8. A force acts on a 5.4 kg object with the magnitude shown in Figure as a function of time. 2.0 1.5- 1.0- 0.5- 0 0.5 1.0 1.5 2.0 2.5 3.0 t(s) (a) Determine the impulse imparted by the force on the object. (b) Determine the final velocity of the object if it had an initial velocity of 24 m/s in the negative direction

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