62. A small block of mass 200 g starts at rest at A, slides to B where its speed is vR = 8.0 m/s, then slides along the horizontal surface a distance 10 m before coming to rest at C. (See below.) (a) What is the work of friction along the curved surface? (b) What is the coefficient of kinetic friction along the horizontal surface? A 4.0 m 10 m-

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