Posted by **Abdul A.** on Friday, May 3, 2013 at 5:26pm.

A mechanic pushes a 2.60 103-kg car from rest to a speed of v, doing 5,000 J of work in the process. During this time, the car moves 21.0 m. Neglecting friction between car and road, find each of the following.

(a) the speed v?

(b) the horizontal force exerted on the car?

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