A rotating disk is initially spinning at w 7.4 rev/s, slows down and stops in 11.6 s. What is the magnitude of the disk's average angular acceleration? (in rev/s^2) 1.28 .a O 42.92 .b O 0.64.c O 0.64-.d O
A rotating disk is initially spinning at w 7.4 rev/s, slows down and stops in 11.6 s. What is the magnitude of the disk's average angular acceleration? (in rev/s^2) 1.28 .a O 42.92 .b O 0.64.c O 0.64-.d O
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 49P: A wind turbine is rotating conterclockwise at 0.5 rev/s and slows to a stop in 10 s. Its blades are...
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![A rotating disk is initially spinning at w 7.4 rev/s, slows down and stops in 11.6 s. What is the magnitude of the disk's
average angular acceleration? (in rev/s^2)
1.28 .a O
42.92 .b O
0.64.c O
0.64-.d O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffd6ef1e5-6c8e-4278-982f-176fa4001273%2F27430802-717e-49ec-9bd5-c73f9d181181%2F4sqf5w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A rotating disk is initially spinning at w 7.4 rev/s, slows down and stops in 11.6 s. What is the magnitude of the disk's
average angular acceleration? (in rev/s^2)
1.28 .a O
42.92 .b O
0.64.c O
0.64-.d O
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