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# When a carpenter shuts off his circular saw, the

ISBN: 9780321541635 54

## Solution for problem 25P Chapter 10

Physics with MasteringPhysics | 4th Edition

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Problem 25P

Problem 25P

When a carpenter shuts off his circular saw, the 10.0-inch-diameter blade slows from 4440 rpm to 0.00 rpm in 2.50 s. (a) What is the angular acceleration of the blade? (b) What is the distance traveled by a point on the rim of the blade during the deceleration? (c) What is the magnitude of the net displacement of a point on the rim of the blade during the deceleration?

Step-by-Step Solution:

Solution 25P

Step 1 of 3

Part a

We are required to calculate the angular acceleration of the of the blade.

Given data:

Initial angular speed rpm

rad/m

rad/s

rad/s

Final angular speed rpm

rad/s

Time taken to reach 0 rad/s s

Therefore, the angular acceleration,

(rad/s)/s

rad/s2

rev/s2

rev/s2

Therefore, the angular acceleration is  -29.6 rev/s2.

Step 2 of 3

Step 3 of 3

##### ISBN: 9780321541635

Physics with MasteringPhysics was written by and is associated to the ISBN: 9780321541635. This full solution covers the following key subjects: blade, point, Rim, rpm, during. This expansive textbook survival guide covers 32 chapters, and 3833 solutions. This textbook survival guide was created for the textbook: Physics with MasteringPhysics, edition: 4. Since the solution to 25P from 10 chapter was answered, more than 1634 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 25P from chapter: 10 was answered by , our top Physics solution expert on 07/27/17, 10:59AM. The answer to “When a carpenter shuts off his circular saw, the 10.0-inch-diameter blade slows from 4440 rpm to 0.00 rpm in 2.50 s. (a) What is the angular acceleration of the blade? (b) What is the distance traveled by a point on the rim of the blade during the deceleration? (c) What is the magnitude of the net displacement of a point on the rim of the blade during the deceleration?” is broken down into a number of easy to follow steps, and 69 words.

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When a carpenter shuts off his circular saw, the