Question: A coin placed 2 9 . 8 cm from the center of a rotating, horizontal turntable slips when its speed is 5 1 . 2

A coin placed 29.8 cm from the center of a rotating, horizontal turntable slips when its speed is 51.2 cm/s.
(a) What force causes the centripetal acceleration when the coin is stationary relative to the turntable?
static frictioninertiakinetic frictioncentrifugal force
(b) What is the coefficient of static friction between coin and turntable?

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