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in 1948, Columbia Records invented the "Long Play" (LP) vinyl record format. the record was 12...

in 1948, Columbia Records invented the "Long Play" (LP) vinyl record format. the record was 12 inches in diameter and played at 33rpm (revolutions per minute). the record rotates in a clockwise direction.

A. What is the radius of the record(in meters)?

B. What is the circumference of the record (in meters)?

C. What is the revolution frequency of the record (in revolutions per second)?
Science   Advanced-Physics   
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