Question:
A jewel smith wishing to buff a finished piece of jewelry
Last updated: 6/7/2023
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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 80 mm and he operates it at 2 20 x 10 rad s a Determine the tangential speed in m s 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 in seconds of the disk now S