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OpenStudy (anonymous):
The masses of blocks A and B are 20.0 kg and 10.0 kg, respectively. The blocks are initially at rest on the floor and are connected by a massless string passing over a massless and frictionless pulley. An upward force F is applied to the pulley. Find the acceleration aA of a block A and aB of block B when the value of F is: (a) 124 N, (b) 294 N, (c) 424 N
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