A Ceiling Fan Is Turned on and Reaches an Angular

question 55

Multiple Choice

A ceiling fan is turned on and reaches an angular speed of 120 rev/min in 20 s.It is then turned off and coasts to a stop in an additional 60 s.The ratio of the average angular acceleration for the first 20 s to that for the last 60 s is which of the following?

• A) 3
• B) -3
• C) 0.3
• D) -0.3

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Definitions:

Fair Value

The estimated market value of an asset or liability, reflecting what a willing buyer would pay a willing seller in an arm's length transaction.

Salary Allowance

An agreed amount of money paid regularly to an employee on top of their salary for specific purposes, such as travel or housing.

Expired Insurance

The portion of an insurance premium that represents coverage for a past period.

Supplies Used

The value of materials and goods consumed during a company's operations within a specific period.