A 550-Hz Whistle Is Moved Toward a Listener at a Speed

question 57

Multiple Choice

A 550-Hz whistle is moved toward a listener at a speed of 25.0 m/s.At the same time,the listener moves at a speed of 35.0 m/s in a direction away from the whistle.What is the apparent frequency heard by the listener? (The speed of sound is 340 m/s. )

• A)510 Hz
• B)533 Hz
• C)655 Hz
• D)460 Hz
• E)594 Hz

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Definitions:

Ionic Compound

A chemical compound composed of ions held together by ionic bonds, typically formed between metal and non-metal elements.

Calcium Chloride

A chemical compound used in various applications, including as a de-icing agent, in food preservation, and in laboratory settings to provide a source of calcium ions.

Extra Electrons

Additional electrons that surpass the baseline number expected in an atom or molecule, often leading to negative charge and chemical reactivity.

Outermost Shell

Refers to the outermost layer of electrons surrounding an atomic nucleus.