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Q. A uniform disc of mass m and radius R is rigidly mounted coaxially with a lightweight disc of radius r = R/2, to a horizontal shaft, on which combination is free to rotate frictionless. Light strings are wound in opposite directions about the cylinders, and identical masses m is hung from the ends.

1) Which way will the system move?
2) What is the acceleration of each of the hanging masses?
3) What is the tension in each of the strings?

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