College Physics, Volume 1
2nd Edition
ISBN: 9781133710271
Author: Giordano
Publisher: Cengage
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Chapter 5, Problem 11P
A compact disc spins at 2.5 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 3.0 cm from the CD’s center.
- (a) What is the coefficient of friction between the ant and the CD?
- (b) Is this the coefficient of static friction or kinetic friction?
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Chapter 5 Solutions
College Physics, Volume 1
Ch. 5.1 - Velocity and Acceleration in Circular Motion...Ch. 5.1 - Prob. 5.2CCCh. 5.2 - Prob. 5.3CCCh. 5.3 - Prob. 5.5CCCh. 5.4 - Prob. 5.6CCCh. 5.4 - Prob. 5.7CCCh. 5 - Prob. 1QCh. 5 - Prob. 2QCh. 5 - Prob. 3QCh. 5 - Consider the Cavendish experiment in Figure 5.22....
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- Someone is dancing on a revolving dance floor. The floor completes 3 revolutions every 5 minutes and the person is 3.75 m from the center of the dance floor. What is the minimum coefficient of static friction that can exist between the dance floor and the persons shoes?arrow_forwardA coin is placed 34 cm from the center of a horizontal turntable, initially at rest. The turntable then begins to rotate. When the speed of the coin is 130 cm/s (rotating at a constant rate), the coin just begins to slip. The acceleration of gravity is 980 cm/s2 . What is the coefficient of static friction between the coin and the turntable?arrow_forwardThe 30-kg cylinder is suspended from two equal-length cords. The end of each cord is attached to a ring to negligible mass that passes along a horizontal shaft. If the rings can be separated by distance d = 556 mm., determine the coefficient of static friction between each ring and the shaft.arrow_forward
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