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# CALC You connect a light string to a point on the edge of

ISBN: 9780321675460 31

## Solution for problem 65P Chapter 10

University Physics | 13th Edition

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Problem 65P

CALC ?You connect a light string to a point on the edge of a uniform vertical disk with radius ?R ?and mass ?M. ?The disk is free to rotate without friction about a stationary horizontal axis through its center. Initially, the disk is at rest with the string connection at the highest point on the disk. You pull the string with a constant horizontal force F until the wheel has made exactly one-quarter revolution about a horizontal axis through its center, and then you let go. (a) Use Eq. (10.20) to find the work done by the string. (b) Use Eq. (6.14) to find the work done by the string. Do you obtain the same result as in part (a)? (c) Find the final angular speed of the disk. (d) Find the maximum tangential acceleration of a point on the disk. (e) Find the maximum radial (centripetal) acceleration of a point on the disk.

Step-by-Step Solution:

Solution 65P Step 1: (a).Work done by the string is = FR cos R W = Fds 0 = FR /2 W = .d 0 /2 W = FR cos 0 /2 W = FR sin 0 W = FR

Step 2 of 4

Step 3 of 4

##### ISBN: 9780321675460

This full solution covers the following key subjects: disk, Find, string, point, horizontal. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The answer to “CALC ?You connect a light string to a point on the edge of a uniform vertical disk with radius ?R ?and mass ?M. ?The disk is free to rotate without friction about a stationary horizontal axis through its center. Initially, the disk is at rest with the string connection at the highest point on the disk. You pull the string with a constant horizontal force F until the wheel has made exactly one-quarter revolution about a horizontal axis through its center, and then you let go. (a) Use Eq. (10.20) to find the work done by the string. (b) Use Eq. (6.14) to find the work done by the string. Do you obtain the same result as in part (a)? (c) Find the final angular speed of the disk. (d) Find the maximum tangential acceleration of a point on the disk. (e) Find the maximum radial (centripetal) acceleration of a point on the disk.” is broken down into a number of easy to follow steps, and 154 words. University Physics was written by and is associated to the ISBN: 9780321675460. This textbook survival guide was created for the textbook: University Physics, edition: 13. The full step-by-step solution to problem: 65P from chapter: 10 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. Since the solution to 65P from 10 chapter was answered, more than 388 students have viewed the full step-by-step answer.

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CALC You connect a light string to a point on the edge of