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Physics, 13.03.2020 05:07 mattybacchetti
A coin of mass m is placed on top of a horizontal turntable a distance R from the axis of rotation. Gravity is acting vertically downward with magnitude mg and the normal force on the coin from the turntable is acting vertically upward. The coefficient of static friction between the coin and the turntable is µ. If at time t = 0 the turntable is at rest and accelerates with a constant angular acceleration α < µg/R, at what time T will the coin begin to slide on the turntable?
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