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At a Certain Instant,a Compact Disc Is Rotating at 210

Question 25

Multiple Choice

At a certain instant,a compact disc is rotating at 210 rpm.What is its angular speed in rad/s?

A) 11 rad/s
B) 22 rad/s
C) 45 rad/s
D) 69 rad/s
E) 660 rad/s

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