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A small object is placed at the top of an incline that is essentially frictionless. The object slides down the incline onto a rough horizontal

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A small object is placed at the top of an incline that is essentially frictionless. The object slides down the incline onto a rough horizontal surface (#k = 0.3). After travelling 50m on the horizontal surface, the speed of the object is 2m/s. a. What is the speed of the object at the bottom of the incline? b. What is the height of the incline

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