A mechanic pushes a 2.00 ✕ 103-kg car from rest to a speed of v, doing 5,310 J of work in the process. During this time, the car moves 24.0 m. Neglecting friction between car and road, find v and the horizontal force exerted on the car. (a) the speed v (b) the horizontal force exerted on the car (Enter the magnitude.)
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A mechanic pushes a 2.00 ✕ 103-kg car from rest to a speed of v, doing 5,310 J of work in the process. During this time, the car moves 24.0 m. Neglecting friction between car and road, find v and the horizontal force exerted on the car.
(b) the horizontal force exerted on the car (Enter the magnitude.)
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- 4-In a circus performance, a monkey is strapped to a sled and both are given an initial speed of 5.14 m/s up a 22.1∘∘ inclined track. The combined mass of monkey and sled is 29 kg, and the coefficient of kinetic friction between sled and incline is 0.23. How far up the incline do the monkey and sled move?A man does 4,570 J of work in the process of pushing his 2.40 103 kg truck from rest to a speed of v, over a distance of 27.0 m. Neglecting friction between truck and road, determine the following. (a) the speed v (in m/s) m/s (b) the horizontal force exerted on the truck (in N) N
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