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:

Initial Value Method

An accounting practice in which an investment is recorded at its purchase cost without adjusting for market variations.

Excess Fair Value

The amount by which the fair value of an asset exceeds its carrying value on the books.

Amortized

Pertains to gradually reducing the cost of an intangible asset through scheduled, predetermined payments over its useful life.

Book Value

The net value of a company's assets minus its liabilities and intangible assets, representing the total value that shareholders would theoretically receive if a company was liquidated.