The system consists of 60-lb and 20-lb blocks A and B,
Chapter 18, Problem 18-63(choose chapter or problem)
The system consists of 60-lb and 20-lb blocks A and B, respectively, and 5-lb pulleys C and D that can be treated as thin disks. Determine the speed of block A after block B has risen 5 ft, starting from rest. Assume that the cord does not slip on the pulleys, and neglect the mass of the cord
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