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 ?s. If the penny does not slide on the record, what is the minimum value of ?s ?
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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 ?s. If the penny does not slide on the record, what is the minimum value of ?s ?
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