An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 8.05 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.900 m, he is able to rotate the ball only 6.29 rev/s. (a) Which rate of rotation gives the greater speed for the ball? 6.29 rev/s 8.05 rev/s (b) What is the centripetal acceleration of the ball at 8.05 rev/s? m/s2 (c) What is the centripetal acceleration at 6.29 rev/s? m/s2
An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 8.05 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.900 m, he is able to rotate the ball only 6.29 rev/s. (a) Which rate of rotation gives the greater speed for the ball? 6.29 rev/s 8.05 rev/s (b) What is the centripetal acceleration of the ball at 8.05 rev/s? m/s2 (c) What is the centripetal acceleration at 6.29 rev/s? m/s2
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 30P: A point on a rotating turntable 20.0 cm from the center accelerates from rest to a final speed of...
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An athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 8.05 rev/s when the length of the chain is 0.600 m. When he increases the length to 0.900 m, he is able to rotate the ball only 6.29 rev/s.
(a) Which rate of rotation gives the greater speed for the ball?
(b) What is the centripetal acceleration of the ball at 8.05 rev/s?
m/s2
(c) What is the centripetal acceleration at 6.29 rev/s?
m/s2
6.29 rev/s
8.05 rev/s
(b) What is the centripetal acceleration of the ball at 8.05 rev/s?
m/s2
(c) What is the centripetal acceleration at 6.29 rev/s?
m/s2
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