A coin is placed 14.0 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 31.0 rpm (revolutions per minute) is reached, at which point the coin slides off.
Part A
What is the coefficient of static friction between the coin and the turntable?
1 answer
0.14
1 answer