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20 de may. de 2024 · Sound, a mechanical disturbance from a state of equilibrium that propagates through an elastic material medium. A purely subjective, but unduly restrictive, definition of sound is also possible, as that which is perceived by the ear. Learn more about the properties and types of sound in this article.
- The Ear as Spectrum Analyzer
Sound - Hearing, Frequency, Wavelength: The ear actually...
- The Decibel Scale
Although the decibel scale is nonlinear, it is directly...
- Refraction
Sound - Refraction, Frequency, Wavelength: Diffraction...
- Impedance
Sound - Frequency, Wavelength, Impedance: One of the...
- Open Tubes
Sound - Resonance, Frequency, Wavelength: In an open tube,...
- Standing Waves
Sound - Standing Waves, Frequency, Wavelength: This section...
- Overtones
Sound - Overtones, Frequency, Wavelength: Another term...
- The Helmholtz Resonator
Sound - Helmholtz Resonator, Acoustics, Vibrations: An...
- The Ear as Spectrum Analyzer
16 de may. de 2024 · Delve into the fascinating world of sound with this concise explanation of its speed. From the basics of 343 meters per second in dry air at 20 degrees Celsius to its variations based on ...
16 de may. de 2024 · The speed of sound depends on a medium's composition and whether that medium is solid, liquid or gas. The temperature, density and elasticity of the medium a...
Hace 6 días · The speed of sound varies depending on altitude, temperature and the medium through which it travels. For example, at sea level in a standard atmosphere, at a temperature of 59-degrees Fahrenheit (15 Celsius), sound travels 761 miles per hour (1,225 km/p/h).
Hace 4 días · Speed of sound: \(v= 332 \text{ m/s}\) Time: \(\frac {2d}{v} = \frac{2\times 83}{332} = 0.5\) seconds. \(_\square\) A man stands between two parallel cliffs and fires a gun. He hears two successive echoes after \(2\) seconds and \(4.5\) seconds. What is the distance between the two cliffs? The speed of sound in air is \(332\text{ m/s}\).
Hace 1 día · Calculation Formula. To calculate the speed of sound in air (an ideal gas), we use the formula: \ [ c = \sqrt {\frac {\gamma \cdot R \cdot T} {M}} \] where: \ (c\) is the speed of sound in meters per second (m/s), \ (\gamma\) is the adiabatic index (1.4 for air), \ (R\) is the molar gas constant (8.3145 J/mol·K),
Hace 6 días · In this way, the speed of sound in air at 0ºC is 331 m / s, while at 20 ºC its value is 343 m / s. The difference is explained because when the temperature increases, the vibrational state of the air molecules also rises, facilitating the passage of the disturbance. Means of propagation.
