A jewel smith wishing to buff a finished piece of jewelry attaches a buffing disk to his drill. The radius of the disk i

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A jewel smith wishing to buff a finished piece of jewelry attaches a buffing disk to his drill. The radius of the disk i

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A jewel smith wishing to buff a finished piece of jewelryattaches a buffing disk to his drill. The radius of the diskis 4.10 mm and he operates itat 2.35 104 rad/s.
(a) Determine the tangential speed of the rim of the disk. m/s(b) The jeweler increases the operating speed so that thetangential speed of the rim of the disk isnow 275 m/s. What is the period of rotation of thedisk now? s
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