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 7.64 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 6.13 rev/s. (a) Which rate of rotation gives the greater speed for the ball? O 6.13 rev/s O 7.64 rev/s (b) What is the centripetal acceleration of the ball at 7.64 rev/s? m/s2 (c) What is the centripetal acceleration at 6.13 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 7.64 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 6.13 rev/s. (a) Which rate of rotation gives the greater speed for the ball? O 6.13 rev/s O 7.64 rev/s (b) What is the centripetal acceleration of the ball at 7.64 rev/s? m/s2 (c) What is the centripetal acceleration at 6.13 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 31P: Figure P3.31 represents the total acceleration of a particle moving clockwise in a circle of radius...

See similar textbooks

Similar questions

A point on a rotating turntable 20.0 cm from the center accelerates from rest to a final speed of 0.700 m/s in 1.75 s. At t = 1.25 s, find the magnitude and direction of (a) the radial acceleration, (b) the tangential acceleration, and (c) the total acceleration of the point.
Explain why centripetal acceleration changes the direction of velocity in circular motion but not its magnitude.
Figure P3.31 represents the total acceleration of a particle moving clockwise in a circle of radius 2.50 m at a certain instant of time. For that instant, find (a) the radial acceleration of the particle, (b) the speed of the particle, and (c) its tangential acceleration.
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?
A flywheel has a radius of 16.0 cm. What is the speed of a point on the edge of the flywheel, in cm/s, if it experiences a centripetal acceleration of 950.0 cm/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
For an object undergoing a uniform circular motion with radius 6.55 mand period 1.53 sec, the linear speed (m/s) is:
An athlete rotates a 1.00 kg discus along a circular path of radius 1.06 m. The maximum speed of the discus is 25.0 m/s. Determine the magnitude of the radial acceleration
A rock is spun in a sling at a constant speed of 56.0 m/s. What rate of rotation, in rev/s, is necessary to give the rock the required speed? Take the radius of the circle to be 1.75 m.
How fast (in rpm) must a centrifuge rotate if a particle 7.5 cm from the axis of rotation is to experience an acceleration of 2.0×105 g's? Express your answer using two significant figures.
A centrifuge in a medical laboratory rotates at an angularvelocity of 3 600 rev/min. When switched off, it rotatesthrough 50.0 revolutions before coming to rest. Find the constantangular acceleration (in rad/s2) of the centrifuge.
A ferries wheel with radius 20 m which rotates counterclockwise is just starting up. At a given moment, a passenger on the rim of the wheel and passing through the lowest point of his circular motion is moving at 5.00 m/s and in gaining speed at a rate of 0.75 m/s^2. The magnitude of the passenger's centripetal acceleration at the instant is