Question: At a given instant the 10-lb block A is moving downward with a speed of 6 ft s. Determine its speed 2 s later. Block

At a given instant the 10-lb block A is moving downward with a speed of 6 ft s. Determine its speed 2 s later. Block B has a weight of 4 lb, and the coefficient of kinetic friction between it and the horizontal plane is μ_k = 0.2. Neglect the mass of the cord and pulleys. B A

B A

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