While Standing at a Crosswalk,you Hear a Frequency of 540

question 29

Multiple Choice

While standing at a crosswalk,you hear a frequency of 540 Hz from an approaching police car.After the police car passes,its frequency is 480 Hz.What is the speed of the police car? (speed of sound = 340 m/s)

• A) 13.1 m/s
• B) 17.4 m/s
• C) 20.0 m/s
• D) 26.2 m/s

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Definitions:

Connectives

Logical operators used in sentences to connect propositions or statements, indicating relationships like conjunction, disjunction, or implication.

Main Connective

The primary logical operator in a compound statement or proposition that determines the overall truth value of the statement based on its components.

Symbolic Notation

The use of symbols or abbreviations to represent specific objects, operations, or quantities in various fields, including mathematics, physics, and chemistry.

Atomic Components

The simplest parts or elements of something that cannot be divided further without losing its essential properties.