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The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. At 20 °C (68 °F), the speed of sound in air is about 343 m/s (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or 1 km in 2.91 s or one mile in 4.69 s.
Learn about the speed of sound in different materials, such as air and water, and how it varies with temperature. Also, find out about the Doppler effect, the apparent change in frequency of sound or light waves due to motion.
Learn how sound waves travel and how the speed of sound depends on the medium and frequency. Watch a video and answer questions about sound, amplitude, wavelength, and more.
Learning Objectives. Explain the relationship between wavelength and frequency of sound. Determine the speed of sound in different media. Derive the equation for the speed of sound in air. Determine the speed of sound in air for a given temperature.
The speed of a sound wave refers to how fast a sound wave is passed from particle to particle through a medium. The speed of a sound wave in air depends upon the properties of the air - primarily the temperature. Sound travels faster in solids than it does in liquids; sound travels slowest in gases such as air.
17 de jun. de 2023 · Learn how to calculate the speed of sound in different materials and factors that affect it. Find out the speed of sound on Mars and the hot chocolate effect.
3 de ene. de 2014 · Speed of Sound | Mechanical waves and sound | Physics | Khan Academy - YouTube. khanacademymedicine. 1.76M subscribers. Subscribed. 2.2K. 393K views 10 years ago #YouCanLearnAnything. How...
