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A mechanic pushes a 2.50 3 103-kg car from rest to a speed of v, doing 5.00 3 103 J of work in the process.

A mechanic pushes a 2.50 3 103-kg car from rest to a speed of v, doing 5.00 3 103 J of work in the process. During this time, the car moves 25.0 m. Neglecting friction between car and road, find (a) v and (b) the horizontal force exerted on the car.

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