You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is turning

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You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is turning at 90.0 rpm, and you press a steel axe against it with a radial force of 20.0 N.

(a) Assuming the kinetic coefficient of friction between steel and stone is 0.20, calculate the angular acceleration of the grindstone.

(b) How many turns will the stone make before coming to rest?

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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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Question Posted: Feb 27, 2017 10:23 AM

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You have a grindstone (a disk) that is 90.0 kg, has a 0.340-m radius, and is turning

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a Given M 900 kg R 0340 m for the solid disk Find The frictional force i...View the full answer

Physics

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