# Question: ACD originally at rest reaches an angular speed of 40

ACD originally at rest reaches an angular speed of 40 rad/s in 5.0 s.

(a) What is the magnitude of its angular acceleration?

(b) How many revolutions does the CD make in the 5.0 s?

(a) What is the magnitude of its angular acceleration?

(b) How many revolutions does the CD make in the 5.0 s?

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