A CD Has a Diameter of 12

question 79

Multiple Choice

A CD has a diameter of 12.0 cm.If the CD starts from rest and has a constant angular acceleration of 2.00 rad/sec²,then the centripetal acceleration of a point 3.00 cm from the center of the CD after 3.00 sec is

• A) 0.950 m/s².
• B) 1.08 m/s².
• C) 1.25 m/s².
• D) 1.58 m/s².
• E) 1.83 m/s².

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