A CD Has a Diameter of 12

question 64

Multiple Choice

A CD has a diameter of 12.0 cm.If the CD is rotating at a constant angular speed of 200 revolutions per minute,then the tangential velocity of a point on the circumference is

• A) 1.76 m/s.
• B) 1.54 m/s.
• C) 1.41 m/s
• D) 1.26 m/s.
• E) 1.07 m/s.

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