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Question: dynamic q4...

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4. The spool and the wire wrapped around its core have a mass of 50 kg and a radius of gyration of k 235mm . If the coefficient of friction at the surface is 0.15 , find the angular acceleration of the spool after it is released from rest. A.-3.36 rads, B. 2.66 rads C. 4.71 rad/s D. None of them 45 5. What is the angular acceleration of disk C at the instant shown in

dynamic q4

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