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# Starting from rest, a 12-cm-diameter compact disk takes

ISBN: 9780130606204 3

## Solution for problem 58GP Chapter 5

Physics: Principles with Applications | 6th Edition

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Problem 58GP

Starting from rest, a 12-cm-diameter compact disk takes 3.0 s to reach its operating angular velocity of 2000 rpm. Assume that the angular acceleration is constant. The disk’s moment of inertia is . a. How much torque is applied to the disk? b. How many revolutions does it make before reaching full speed?

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Solution Here we have first note down the given data: Radius of the disk=d/2=12 cm/2=0.060 m Initial angular velocity (w ) 0 0 rad/s Final angular velocity(w) = 2000 rpm,we must converted into SI units. w = (2000 rpm)(2/60) rad/s r =209.4 rad/s The compact disk is a rigid body.rotating about its center,the initial angular velocity w =00 rad/s and final angular velocity w = 209.4 rad/s. a....

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##### ISBN: 9780130606204

The full step-by-step solution to problem: 58GP from chapter: 5 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: disk, angular, moment, assume, Before. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The answer to “Starting from rest, a 12-cm-diameter compact disk takes 3.0 s to reach its operating angular velocity of 2000 rpm. Assume that the angular acceleration is constant. The disk’s moment of inertia is . a. How much torque is applied to the disk? b. How many revolutions does it make before reaching full speed?” is broken down into a number of easy to follow steps, and 53 words. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. Since the solution to 58GP from 5 chapter was answered, more than 416 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6.

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