A Doppler Effect Occurs When a Source of Sound Moves

question 4

Multiple Choice

A Doppler effect occurs when a source of sound moves

• A)toward you.
• B)at right angles to you.
• C)both of these
• D)none of these

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Calm

A mental state of peace and tranquility, with no anxiety, stress, or worry.

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Businesses started by entrepreneurs aimed at seeking, developing, and validating a scalable business model.

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The state of being highly concentrated on a particular task, project, or goal with significant dedication and attention.

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Feelings that evoke a sense of satisfaction or happiness in an individual, such as joy, gratitude, and contentment.