A jewel smith wishing to buff a finished piece of jewelry, Ask an Expert

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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 is 2.70 mm and he operates it at 1.95 104 rad/s.

(a) Determine the tangential speed of the rim of the disk.

m/s

(b) The jeweler increases the operating speed so that the tangential speed of the rim of the disk is now 285 m/s. What is the period of rotation of the disk now?

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Reference No.:- M91083717

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