The Loudness L of a Sound (Measured in Decibels, DB)

question 168

Short Answer

The loudness L of a sound (measured in decibels, dB) is inversely proportional to the square of the distance d from the source of the sound. A person who is 10 ft from a lawn mower experiences a sound level of 70 dB. How loud is the lawn mower when the person is 25 ft away?

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Definitions:

Key Selling Points

Crucial attributes or advantages of a product or service that make it appealing to potential buyers.

Indirect Approach

A method of communication or persuasion that is not straightforward, often involving subtlety or implication rather than direct statements.

Request For Action

A communication that urges or requires the recipient to take a specific step or perform a particular task.

Purchase Decision

The final choice made by a consumer after evaluating different products or services based on various criteria.