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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs
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Integrated ConceptsYou have a grindstone (a disk) that is

Chapter 10, Problem 3

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QUESTION:

Problem 3PE

Integrated Concepts

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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QUESTION:

Problem 3PE

Integrated Concepts

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?

ANSWER:

Problem 3PE

Solution 3PE

Step 1 of 4:

In this question, we need to find the acceleration of grindstone

In part (b) we need to find number of turns stone will make before coming to rest

Data given

Mass of grindstone

Radius of grindstone

Angular velocity

Radial force

Coefficient of friction between grindstone and steel

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