Multiple Choice
A CD has a diameter of 12.0 cm. If the CD is rotating at a constant angular speed of 20.0 radians per second, then the period of the rotational motion is
A) 0.143 s.
B) 0.224 s.
C) 0.314 s.
D) 0.421 s.
E) 0.558 s.
Correct Answer:
Verified
Correct Answer:
Verified
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