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:

Master Status

A dominant social or cultural position that overwhelmingly defines a person's identity in society, often overshadowing other individual attributes.

Gemeinschaft

A term used in sociology to describe a community or society characterized by close, personal relationships and a strong sense of common identity.

Gesellschaft

A term used by sociologists to describe a society primarily focused on social ties based on contractual relationships rather than personal bonds.

Solidarity

Unity or agreement of feeling or action, especially among individuals with a common interest; mutual support within a group.