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fourier jr
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Dog demonstrates doppler effect with squeaky toy
- Thread starter fourier jr
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- Doppler Doppler effect
In summary, the doppler effect is a phenomenon observed in wave motion where there is a change in frequency and wavelength as the source of the wave moves relative to the observer. A dog demonstrates the doppler effect when it is moving towards or away from its squeaky toy, causing a change in the perceived frequency of the sound waves. This occurs because the toy emits sound waves at a constant frequency, but as the dog moves, the distance between the dog and the toy changes. The doppler effect can be observed with any moving object or animal that emits sound waves and is used in fields such as astronomy, meteorology, and medical imaging.
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TheStatutoryApe
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Evo
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That's really cute!fourier jr said:
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Monique
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That dog reminds me, in a twisted way, of the Ninja Cat who demonstrates movement without moving
http://www.youtube.com/watch?v=muLIPWjks_M&feature=fvw
http://www.youtube.com/watch?v=muLIPWjks_M&feature=fvw
1. What is the doppler effect?
The doppler effect is a phenomenon observed in wave motion where there is a change in frequency and wavelength as the source of the wave moves relative to the observer.
2. How does a dog demonstrate the doppler effect with a squeaky toy?
A dog demonstrates the doppler effect when it is moving towards or away from its squeaky toy. As the dog moves towards the toy, the frequency of the sound waves increases, making the toy sound higher pitched. As the dog moves away from the toy, the frequency decreases and the toy sounds lower pitched.
3. Why does the doppler effect occur with a squeaky toy?
The doppler effect occurs with a squeaky toy because the toy emits sound waves at a constant frequency, but as the dog moves towards or away from the toy, the distance between the dog and the toy changes, causing a change in the perceived frequency of the sound waves.
4. Can the doppler effect be observed with other animals or objects?
Yes, the doppler effect can be observed with any moving object or animal that emits sound waves. For example, the sound of a car horn changes as it approaches and then drives away, demonstrating the doppler effect.
5. How is the doppler effect used in science and technology?
The doppler effect is used in various fields such as astronomy, meteorology, and medical imaging. In astronomy, it helps scientists determine the speed and distance of celestial objects. In meteorology, it is used to track weather patterns and predict severe weather. In medical imaging, it is used to create images of internal structures by measuring the changes in frequency of reflected sound waves.
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