Marcia pokes fun at her husband Brian because he loves to sing in the shower every morning, but

Physics

1 answer:

Masteriza [31]3 years ago

7 0

Answer:

Since I can see no choices, I answered it in my own understanding.

Brian - amplitude and frequency

Marcia - amplitude and longitudinal wave

Explanation:

"Sound" and "sound waves" are essential part of a person's life. They can be used for communicating and detecting some objects.

Brian loves singing in the shower which means that he is using a greater amplitude. Amplitude refers to the intensity of the sound or the amount of energy that a sound carries. When one sings in the shower, the sound cannot travel very far. It bounces immediately back to the person singing thus, making the sound bigger. Brian is also using a different range of frequency compared to his normal way of talking. The frequency of a normal male voice is normally 85 to 180 Hz. A person singing may have a frequency as high as 1,500 Hz.

Marcia talks loudly on the phone. This means that she is also using a greater amplitude because the intensity of her voice is big. Since she is using the telephone, this means that her voice travels in a longitudinal wave through the telephone. This allows her voice to reach to the person on the other end of the line.

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