A Siren Emitting Sound of Frequency 1000 Hz Approaches a Stationary

question 106

Multiple Choice

A siren emitting sound of frequency 1000 Hz approaches a stationary observer at one-half the speed of sound.The observer hears a frequency of

• A)1000 Hz
• B)2000 Hz.
• C)500 Hz.
• D)1500 Hz.
• E)none of the above.

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Definitions:

Internally Generated

Refers to assets or resources that are created or produced within a company, rather than acquired from external sources.

Straight-Line Method

A method of calculating depreciation of an asset, which assumes the asset will lose an equal amount of value each year over its useful life.

Residual Value

The estimated value that an asset will have at the end of its useful life, also known as salvage value.

Gain Or Loss

The difference between the selling price and the purchase price of an asset, resulting in a financial profit or loss.