Multiple Choice
A CD has a diameter of 12.0 cm.If the CD is rotating at a constant angular velocity of 20.0 radians per seconds,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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