An LP record rotates at 33.33 revs/min. A penny is placed flat on the record a distance 8cm from the center of the record. The coefficient of static friction between the record and the penny is μs. If the penny does not slide on the record, what is the minimum value of μs ?

An LP record rotates at 33.33 revs/min. A penny is placed flat on the record a distance 8cm from the center of the record. The coefficient of static friction between the record and the penny is μs. If the penny does not slide on the record, what is the minimum value of μs ?

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Question

An LP record rotates at 33.33 revs/min. A penny is placed flat on the record a distance 8cm from the center of the record. The coefficient of static friction between the record and the penny is μ_s. If the penny does not slide on the record, what is the minimum value of μ_s ?

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