Physics, 30.10.2019 00:31, isabelleecurtis

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 μk = 0.2. neglect the mass of the cord and pulleys.

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At a given instant the 10-lb block a is moving downward with a speed of 6 ft/s. determine its speed...