A Ceiling Fan Is Turned on and Reaches an Angular

question 63

Multiple Choice

A ceiling fan is turned on and reaches an angular speed of 132 rev/min in 20 s.It is then turned off and coasts to a stop in an additional 40 s.The ratio of the average angular acceleration for the first 20 s to that for the last 40 s is which of the following?

• A)6.6
• B)6.4
• C)−0.15
• D)−2.0

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Financial damage or cost incurred directly as a result of an event, action, or decision, without any delay.

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