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Nova Southeastern University *

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1020

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Electrical Engineering

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Dec 6, 2023

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docx

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2

Uploaded by MegaSummer1075

Sound Waves Investigation Worksheet Part 1 Pre-lab Questions 1. For a wave, describe the relationship between frequency and wavelength. More is the wavelength, lesser is the frequency 2. List the following mediums in order from fastest to slowest in terms of sound wave speed. glass,seawater water,water,dry air 3. Explain why the speed of sound is different in air compared to water. Because the particles are much closer in water and so they can quickly transmit vibration energy. 4. Answer the following questions in terms of a wave’s frequency, wavelength, amplitude, and energy. a. Describe the characteristics of a high pitch wave. it will produce a high-pitched sound b. Describe the characteristics of a high-volume wave. amplitude Part 2 Doppler Effect Investigation 1. Generate your prediction and record your hypothesis: If the sound source is moving ___________faster______, then a stationary observer will hear _________a loud______ pitch. 2. Collected Data Data Table – Character 1, the observer Selected Pitch Pitch Observations – away from the observer Low note not high Medium note loud Unless Otherwise Noted All Content © 2022 Florida Virtual School. FlexPoint Education Cloud™ is a trademark of Florida Virtual School.
High note louder Data Table – Character 2, the sound source Selected Pitch Pitch Observations – away from the observer Low note low Medium note loud High note loudr Part 3 Data Analysis and Conclusions 1. For the observer, what happened to the sound wave’s pitch as the sound source moved away from it? Making the pitch of the sound lower 2. For the person playing the violin (the sound source), what happened to the sound wave’s pitch as it moved away from the observer? Low pitch 3. Why did the observer (Character 1) hear a different sound than the violin player? Use your knowledge of sound waves and evidence from this investigation to support your response. because the doppler effect 4. Describe two ways that your understanding of the Doppler effect could be applied to your everyday life. Police radar, the Doppler effect is used by weather people to track storms. Unless Otherwise Noted All Content © 2022 Florida Virtual School. FlexPoint Education Cloud™ is a trademark of Florida Virtual School.
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