A 4.08 kg box begins to slide from rest through a plane inclined at 25.0 degrees (with respect to the horizontal) and which is 7.00 m long. The friction force between the box and the inclined plane is 5.0 N. (explain each process and how you got to the answer)
(a) the speed of the box when reaching the end of the inclined
plane (using what was learned in work / energy): Answer
(b) the coefficient of kinetic friction: Answer
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