A coin is placed 9.5 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 11.2. revolutions in 15 seconds is reached, at which point the coin slides off. • what is the speed of the coin when it rides without slipping at a distance of 5.2 cm from the center of the turntable? • What is uniform acceleration of circular motion? • What is the coefficient of static friction between the coin and the turntable? • What is static force and central petal force?

A coin is placed 9.5 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 11.2. revolutions in 15 seconds is reached, at which point the coin slides off. • what is the speed of the coin when it rides without slipping at a distance of 5.2 cm from the center of the turntable? • What is uniform acceleration of circular motion? • What is the coefficient of static friction between the coin and the turntable? • What is static force and central petal force?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

A coin is placed 9.5 cm from the axis of a rotating turntable of variable speed.
When the speed of the turntable is slowly increased, the coin remains fixed on
the turntable until a rate of 11.2. revolutions in 15 seconds is reached, at which
point the coin slides off.
• what is the speed of the coin when it rides without slipping at a distance of
5.2 cm from the center of the turntable?
• What is uniform acceleration of circular motion?
• What is the coefficient of static friction between the coin and the turntable?
• What is static force and central petal force?

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