A coin placed 30.2 cm from the center of a rotating, horizontal turntable slips when its speed is 50.6 cm/s. (a) What force causes the centripetal acceleration when the coin is stationary relative to the turntable? static friction inertia kinetic friction centrifugal force (b) What is the coefficient of static friction between coin and turntable?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter6: Applications Of Newton's Laws
Section: Chapter Questions
Problem 77P: A car rounds an unbanked curve of radius 65 m. If the coefficient of static friction between the...
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A coin placed 30.2 cm from the center of a rotating, horizontal turntable slips when its speed is 50.6 cm/s.

(a) What force causes the centripetal acceleration when the coin is stationary relative to the turntable?
static friction
inertia
kinetic friction
centrifugal force

(b) What is the coefficient of static friction between coin and turntable?
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