A Certain Siren Radiates Sound Uniformly in All Directions

question 85

Short Answer

A certain siren radiates sound uniformly in all directions. At a distance of 17 m from the siren, the intensity level is 49 db. How many watts of power does this siren put out? The threshold of human hearing is 1.0 × 10^-12 W/m².

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Definitions:

High Self-esteem

A positive evaluation of oneself, reflecting a person's belief in their own worth and abilities.

Narcissists

Individuals who regard themselves as better than others and are constantly trying to win the admiration of others.

Competent

having the necessary ability, knowledge, or skill to do something successfully.

Clinical Depression

A psychological condition marked by a consistent feeling of sadness or a lack of enjoyment in usual pursuits, leading to a considerable disruption in everyday functioning.