Question

define speed of sound​

Answer 1

Answer:

The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium. At 20 °C, the speed of sound in air is about 343 metres per second, or a kilometre in 2.9 s or a mile in 4.7 s.

Explanation:

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Answer 2

Answer:

The speed of sound is a term used to describe the speed of sound waves passing through an elastic medium.The speed of sound varies depending on the temperature of the air through which the sound moves. On Earth, the speed of sound at sea level — assuming an air temperature of 59 degrees Fahrenheit (15 degrees Celsius) — is 761.2 mph (1,225 km/h).

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