A record playa with a speed of 33 1/3 revolutions per minute, meaning that a needle in a groove around te edge of the record will make 33 and 1/3 circuits around the record in one minute. If the diameter of the record is 40 centimeters, how many centimeters does the needle travel in one minute?
A. 400
B. 1333 1/3
C. 2000
D. 2400
E. 2666 2/3
1 answer
see your previous post of this
1 answer