FUND. OF PHYSICS, V. 2
12th Edition
ISBN: 9781119801276
Author: Halliday
Publisher: WILEY
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Chapter 10, Problem 31P
GO A disk, with a radius of 0.25 m. is to be rotated like a merry-go-round through 800 rad, starting from rest, gaining angular speed at the constant rate α1 through the first 400 rad and then losing angular speed at the constant rate −α1 until it is again at rest. The magnitude of the centripetal acceleration of any portion of the disk is not to exceed 400 m/s2. (a) What is the least time required for the rotation? (b) What is the corresponding value of α1?
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Chapter 10 Solutions
FUND. OF PHYSICS, V. 2
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