The magnitude of the net force exerted in the x direction on a 3.20-kg particle varies in time as shown in the figure below. F (N) 4. 1 2 t (s) 4 (a) Find the impulse of the force over the 5.00-s time interval. i = 12i N.s (b) Find the final velocity the particle attains if it is originally at rest. V, = 3.75i m/s (c) Find its final velocity if its original velocity is -2.60 î m/s. V = 1.65î m/s

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