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Section 12.1 Rotational MotionA high-speed drill reaches

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics | 3rd Edition | ISBN: 9780321740908 | Authors: Randall D. Knight ISBN: 9780321740908 69

Solution for problem 2E Chapter 12

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics | 3rd Edition

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics | 3rd Edition | ISBN: 9780321740908 | Authors: Randall D. Knight

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics | 3rd Edition

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Problem 2E

Problem 2E

Section 12.1 Rotational Motion

A high-speed drill reaches 2000 rpm in 0.50 s.

a. What is the drill’s angular acceleration?

b. Through how many revolutions does it turn during this first 0.50 s?

Step-by-Step Solution:

Solution 2 E

a.)

Step 1 of 2

We have to find the drill’s angular acceleration.

The drill’s angular acceleration can be found from the expression.

 

where,

initial angular velocity = 0 rad/s

final angular velocity = 2000 rpm

s

Conversion of 2000 rpm to rad/s

                   

Thus,

     

Therefore, the drill’s angular acceleration is 419 rad/s.



b.)

Step 2 of 2

Chapter 12, Problem 2E is Solved
Textbook: Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Edition: 3
Author: Randall D. Knight
ISBN: 9780321740908

This textbook survival guide was created for the textbook: Physics for Scientists and Engineers: A Strategic Approach with Modern Physics, edition: 3. This full solution covers the following key subjects: drill, reaches, acceleration, during, high. This expansive textbook survival guide covers 17 chapters, and 1439 solutions. The full step-by-step solution to problem: 2E from chapter: 12 was answered by , our top Physics solution expert on 08/30/17, 04:34AM. Since the solution to 2E from 12 chapter was answered, more than 661 students have viewed the full step-by-step answer. Physics for Scientists and Engineers: A Strategic Approach with Modern Physics was written by and is associated to the ISBN: 9780321740908. The answer to “Section 12.1 Rotational MotionA high-speed drill reaches 2000 rpm in 0.50 s.a. What is the drill’s angular acceleration?________________b. Through how many revolutions does it turn during this first 0.50 s?” is broken down into a number of easy to follow steps, and 30 words.

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Section 12.1 Rotational MotionA high-speed drill reaches