The magnitude of the net force exerted in the x direction on a 2.45-kg particle varies in time as shown in the figure below. F (N) 4 1 t (s) 2 3 4 5 1 (a) Find the impulse of the force over the 5.00-s time interval. × N·s (b) Find the final velocity the particle attains if it is originally at rest. if = m/s (c) Find its final velocity if its original velocity is -2.40 î m/s. if = m/s (d) Find the average force exerted on the particle for the time interval between 0 and 5.00 s. Favg =

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