A coin is placed 17.0 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 26.0 rpm (revolutions per minute) is reached, at which point the coin slides off. What is the coefficient of static friction between the coin and the turntable?
Answers: 3
......... (1)
= 26 rpm, 
..........(2)
![\frac{17 \times 10^{-2} \times (26 \times [\frac{2 \times \pi}{60}]^{2})}{9.8}](/tpl/images/0698/7932/66670.png)
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A coin is placed 17.0 cm from the axis of a rotating turntable of variable speed. When the speed of...
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