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The spin cycles of a washing machine have two angular

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 29E Chapter 9

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 29E

The spin cycles of a washing machine have two angular speeds, 423 rev/min and 640 rev/min. The internal diameter of the drum is 0.470 m. (a) What is the ratio of the maximum radial force on the laundry for the higher angular speed to that tor the lower speed? (b) What is the ratio of the maximum tangential speed of the laundry for the higher angular speed to that for the lower speed? (c) Find the laundry’s maximum tangential speed and the maximum radial acceleration, in terms of ?g.

Step-by-Step Solution:

Solution to 29E Step 1 First angular speed of washing machine =4231rev/min Second angular speed of washing machine =640 r2v/min Diameter of drum=0.470m Radius of the drum =0.235m Step 2 2 a = r 2 F radial ma = m r 2 F radial ma = m r1…………………………………………..(1) 2 F radialma = m r2………………………………………….(2) F radial m 12 = 2 Fradial m2r F 2 radia= 1 Fradial 22 2 F radial (423) Fradial (640) F radial Fradial 0.436 Fradial F = 2.29 radial Step 3 (b)Ratio of tangential speeds of two different angular speeds. v = r v 1 r1…………………………………………………………(3) v 2 r2………………………………………………………….(4) (4)/(3) v2 2r = v1 1r v 2 = 2 v1 1 v 2 = 1.51 v1

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Chapter 9, Problem 29E is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

Since the solution to 29E from 9 chapter was answered, more than 692 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 29E from chapter: 9 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: speed, maximum, angular, laundry, ratio. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. University Physics was written by and is associated to the ISBN: 9780321675460. The answer to “The spin cycles of a washing machine have two angular speeds, 423 rev/min and 640 rev/min. The internal diameter of the drum is 0.470 m. (a) What is the ratio of the maximum radial force on the laundry for the higher angular speed to that tor the lower speed? (b) What is the ratio of the maximum tangential speed of the laundry for the higher angular speed to that for the lower speed? (c) Find the laundry’s maximum tangential speed and the maximum radial acceleration, in terms of ?g.” is broken down into a number of easy to follow steps, and 89 words. This textbook survival guide was created for the textbook: University Physics, edition: 13.

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