A CD Has a Diameter of 12

question 24

Multiple Choice

A CD has a diameter of 12.0 cm.If the CD is rotating at a constant angular velocity of 25 radians per seconds,then the tangential velocity of a point on the circumference is

• A) 1.0 m/s.
• B) 1.5 m/s.
• C) 2.0 m/s.
• D) 2.5 m/s.
• E) 3.0 m/s.

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