Compute the frequency of rotation

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A 10kg baby is perched at the rim of a 40kg disk. The disk rotates freely in a horizontal plane at 1 rev/s. The baby crawls to point at the center of the disk. What is the frequency of rotation in rev/s when the baby arrives at the center (Assume the size of the baby and the frictional torques are negligibly small)?

Reference no: EM13497486

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