The assembly starts from rest and reaches an angular speed of 150 rev/min under the action of
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The assembly starts from rest and reaches an angular speed of 150 rev/min under the action of a 20-N force T applied to the string for t seconds. Determine t. Neglect friction and all masses except those of the four 3-kg spheres, which may be treated as particles.
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The change in kinetic energy is T12 m l 2 2 12 m 0 2 12 43 04 2 2 15060 2 ...View the full answer
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Related Book For 
Engineering Mechanics Dynamics
ISBN: 9781118885840
8th Edition
Authors: James L. Meriam, L. G. Kraige, J. N. Bolton
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