The Intensity Level of Sound 30 M from a Jet

question 10

Multiple Choice

The intensity level of sound 30 m from a jet airliner is 120 dB.At what distance from the airplane will the sound intensity level be a tolerable 100 dB? (Assume spherical spreading of sound. )

• A) 60 m
• B) 90 m
• C) 300 m
• D) 400 m

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Definitions:

Temporal Method

An accounting technique used to translate the financial statements of a foreign subsidiary to the parent company's currency, using exchange rates that vary with the timing of the original transaction.

Depreciation Expense

An accounting method used to allocate the cost of a tangible asset over its useful life, reflecting the asset's consumption, wear and tear, or obsolescence.

Temporal Method

A method of currency translation that uses exchange rates based on the time assets and liabilities were acquired or incurred.

Funds-Flow Statement

A financial statement that shows the inflows and outflows of funds from operations, financing, and investing activities, illuminating how a company's financial position changes over time.