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A CD Has a Diameter of 12

Question 70

Multiple Choice

A CD has a diameter of 12.0 cm. If the CD is rotating with a constant period of 0.314 seconds, then the frequency of the rotational motion is


A) 4.00 Hz.
B) 3.67 Hz.
C) 3.18 Hz.
D) 2.83 Hz.
E) 2.15 Hz.

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