Two Speakers in an Automobile Emit Sound Waves That Are

question 24

Multiple Choice

Two speakers in an automobile emit sound waves that are in phase at the speakers. One speaker is 40 cm ahead of and 30 cm to the left of the driver's left ear. The other speaker is 50 cm ahead of and 120 cm to the right of the driver's right ear. Which of the following wavelengths is(are) in phase at the left ear for the speaker on the left and the right ear for the speaker on the right?

• A) 10 cm
• B) 20 cm
• C) 650 cm
• D) All of the wavelengths listed above.
• E) Only the wavelengths listed in (a) and (b).

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Definitions:

Basic Needs

Fundamental requirements necessary for sustaining human life, including food, water, shelter, and clothing.

Self-Actualization

The realization or fulfillment of one's talents and potentialities, considered as a drive or need present in everyone.

Health Promotion Model

A theoretical framework aiming at explaining and promoting health behaviors by focusing on the influences of individual beliefs and interactions with the social and environmental contexts.

Self-Actualization

The realization or fulfillment of one's talents and potentialities, considered as a drive or need present in everyone, the highest level of psychological development.