To polish a filling, a dentist attaches a sanding disk with a radius of 3.20 mm to

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To polish a filling, a dentist attaches a sanding disk with a radius of 3.20 mm to the drill.

(a) When the drill is operated at 2.15 × 104 rad/s, what is the tangential speed of the rim of the disk?

(b) What period of rotation must the disk have if the tangential speed of its rim is to be 275 m/s?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 11:26 AM

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To polish a filling, a dentist attaches a sanding disk with a radius of 3.20 mm to

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