Physics, 14.05.2021 21:00, beeboppity

A skier of mass 82.9 kg starts from rest at the top of a frictionless incline of height 20 m. At the bottom of the incline, the skier encounters a horizontal surface. The skier travels on the horizontal surface a distance of 95.2 meters before coming to a rest. What is the magnitude of the (constant) friction force (in N) that the rough horizontal surface exerts on the skier

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A skier of mass 82.9 kg starts from rest at the top of a frictionless incline of height 20 m. At the...