Uniform Circular Motion. An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete can rotate the ball at the rate of 8.00 rev/s when the length of the chain is 0.600 m. When he increases length of 0.900 m, he can rotate the ball only 6.00 rev/s. (a) Which rate of rotation gives the greatest speed for the ball? (b) What is the centripetal acceleration of the ball at 8.00 rev/s? (c) What is the centripetal acceleration of the ball at 6.00 rev/s?
Uniform Circular Motion. An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete can rotate the ball at the rate of 8.00 rev/s when the length of the chain is 0.600 m. When he increases length of 0.900 m, he can rotate the ball only 6.00 rev/s. (a) Which rate of rotation gives the greatest speed for the ball? (b) What is the centripetal acceleration of the ball at 8.00 rev/s? (c) What is the centripetal acceleration of the ball at 6.00 rev/s?
Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: Motion In Two Dimensions
Section: Chapter Questions
Problem 20P: An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is...
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Uniform Circular Motion. An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete can rotate the ball at the rate of 8.00 rev/s when the length of the chain is 0.600 m. When he increases length of 0.900 m, he can rotate the ball only 6.00 rev/s.
(a) Which rate of rotation gives the greatest speed for the ball?
(b) What is the centripetal acceleration of the ball at 8.00 rev/s?
(c) What is the centripetal acceleration of the ball at 6.00 rev/s?
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