A Siren of Frequency 3

question 45

Multiple Choice

A siren of frequency 3.20 kHz moves away from a stationary observer with a speed of 30.5 m/s.If the speed of sound is 335 m/s,the frequency heard by the observer is

• A)2.66 kHz
• B)2.93 kHz
• C)3.49 kHz
• D)3.52 kHz
• E)3.84 kHz

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Definitions:

Constructive Feedback

Feedback that is meant to be helpful and aimed at improving performance or behavior rather than merely criticizing.

Unstructured Problems

Problems that lack clear definition and solution paths, often requiring creative and analytical thinking to solve.

Micro-culture

A distinct cultural group operating within a larger culture, often having its own values, norms, and practices.

Macro-culture

The dominant or overarching culture of a large group or society which influences norms, values, and practices.