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A mechanic pushes a 3.20 X 10^3 kg car from rest to a speed of v, doing 5,100 J work in the process. During this time the car moves 2.50m. Neglecting friction between the car and road, find each of the following.

(a) the speed v

__________m/s

(b) the horizontal force exerted on the car

_____N

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