Homework Help: Physics

Posted by warrren on Monday, November 28, 2011 at 3:53pm.

A block of mass 3.1 kg hangs vertically from a frictionless pulley of mass 5.9 kg and radius 14 cm. Treat the pulley as a disk. Find:
a) the acceleration of the block;

b) the tension in the rope;

c) the speed of the block after it has fallen 55 cm, assuming it started at rest:

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