The Loudness of a Sound (Measured in Decibels DB)

question 104

Multiple Choice

The loudness of a sound (measured in decibels dB) is inversely proportional to the square of the distance from the source of the sound. Suppose a person who is 3 ft from a hair dryer experiences a sound level of 75 dB. Find the proportionality constant and write the equation that expresses the inverse proportionality.

Recognize equivalent propositions and the criteria for equivalence.

Comprehend the implications of word order on the subject and predicate in propositions.

Identify examples of propositions in various contexts.

Understand the relationship between propositions and logical arguments.

---

Definitions:

Structure and Properties

The organization and intrinsic attributes of something that determine its behavior under various conditions.

Expressive Function

One of Jakobson’s semiotic functions. Describes or establishes the speaker’s condition or emotional state.

Speaker's Emotional State

The affective condition of an individual who is communicating, which can influence the message delivery and reception.

Rhetorical Analysis

Examines how authors use persuasion in texts or speeches through the study of rhetoric devices, strategies, and appeals.