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A coin is sitting on a record as sketched in the figure below. It is found...

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Physics

A coin is sitting on a record as sketched in the figure below.It is found that the coin slips off the record when the rotationrate is 0.42 rev/s. What is the coefficient of static frictionbetween the coin and the record?

the cd is 15 cm or .15 m

Answer & Explanation Solved by verified expert
4.2 Ratings (798 Votes)
The coin slips when the necessary centripetal force to keep the object moving in a circle can no longer be applied In this case the centripetal force is caused solely by    See Answer
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