A coin is placed 9.0 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 36 rpm is reached and the coin slides off. What is the coefficient of static friction between the coin and the turntable?

Express your answer using two significant figures.

Describe the relative osmolalities : A 2M NaCl solution and a 2 M glucose solution are separated by a semi-permeable membrane,permeable to water but not the solutes. Assuming each chamber is a cell of finite boundaries, describe the relative osmolalities and tonicities present in the.. |

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Coefficient of static friction among the coin and turntable : What is the coefficient of static friction among the coin and the turntable? Express your answer using two significant figures. |

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