A4-kg block resting on a frictionless horizontal ledge is attached to a string that passes over a pulley and is attached to a hanging 2-kg block (sketch is at attached test) the pulley is a uniform disk of radius 8 cm and mass 0.6 kg. find (a) the speed of the 2-kg block after it falls from rest a distance of 2.5 m, and (b) the angular velocity of the pulley at this
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A4-kg block resting on a frictionless horizontal ledge is attached to a string that passes over a pu...
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