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The picture below shows a 2.35 kg box being pushed across a horizontal surface by force of 12.5 N directed at 60 degree below the horizontal. The coefficient of kinetic friction between the box and the floor is mu_k = 0.l25. The box is initially at rest and is pushed through a distance of l.45 m. a. How much work is done by the applied force? What is the force of friction acting on the box? c. What is the net work done on the box? d. If the object starts from rest, then how fast will the object be moving after if has moved through the l.45 m?

 

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