You are sitting on the edge of a horizontal disk (for example, a playground merry-go-round) that has radius 3.00 mm and is rotating at a constant rate about a vertical axis. The coefficient of static friction between you and the surface of the disk is 0.430. a) What is the minimum time for one revolution of the disk if you are not to slide off? b) Your friend's weight is half yours. If the coefficient of static friction for him is the same as for you, what is the minimum time for one revolution if he is not to slide off?
You are sitting on the edge of a horizontal disk (for example, a playground merry-go-round) that has radius 3.00 mm and is rotating at a constant rate about a vertical axis. The coefficient of static friction between you and the surface of the disk is 0.430. a) What is the minimum time for one revolution of the disk if you are not to slide off? b) Your friend's weight is half yours. If the coefficient of static friction for him is the same as for you, what is the minimum time for one revolution if he is not to slide off?
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
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 40P
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You are sitting on the edge of a horizontal disk (for example, a playground merry-go-round) that has radius 3.00 mm and is rotating at a constant rate about a vertical axis. The coefficient of static friction between you and the surface of the disk is 0.430.
a) What is the minimum time for one revolution of the disk if you are not to slide off?
b) Your friend's weight is half yours. If the coefficient of static friction for him is the same as for you, what is the minimum time for one revolution if he is not to slide off?
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