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Temperature is a condition that affects the speed of sound. Heat, like sound, is a form of kinetic energy. Molecules at higher temperatures have more energy, thus they can vibrate faster. Since the molecules vibrate faster, sound waves can travel more quickly. The speed of sound in room temperature air is 346 meters per second. This is faster than 331 meters per second, which is the speed of sound in air at freezing temperatures.

The formula to find the speed of sound in air is as follows:

v = 331m/s + 0.6m/s/C * T

v is the speed of sound and T is the temperature of the air.

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Related Questions

Why does the speed of sound depend on the air tenperature?

It is all about the nature. Temperature causes the sound speed.


Why does the speed of sound depend on air tempersture?

The speed of sound through a medium depends on the density of the medium and the density of air is affected by temperature.


What is the speed of sound in air when the air has a temperature of 20degree celies?

That will not only depend on the temperature, but also on the exact composition of the air (such as, whether it is dry or humid), and possibly on the pressure. The typical speed of sound at 20 degrees C is approximately 343 meters/second.


As air becomes warmer how does the speed of sound in air change?

If the temperature goes down, the speed of sound goes also down. Speed of sound in air is c ≈ 331 + 0.6 × T. T = Temperature in °C. Speed of sound in air at 20°C is c ≈ 331 + 0.6 × 20 = 343 m/s.


Why does speed of sound depend on temperature?

Cold air is denser than warm air, and sound travels faster through denser media (because their molecules are closer together).


What effects speed and sound wave?

It is the medium, which is usually air and it is the temperature. Look at the Link: "Speed of Sound in Air and the effective Temperature".


What is the speed of sound in air at the particular temperature?

You can calculate the speed of sound through air based on air temperature with the following equation: speed in meters per second = 331.5 + (temp in celcius*0.60)


How does the velocity of sound in air depend on temperature?

The speed of sound in air changes clearly with temperature, a little bit with humidity - but not with air pressure (atmospheric pressure). The words "sound pressure at sea level" are incorrect and misleading in the case of "speed of sound". The temperature indication, however, is absolutely necessary.At the temperature ϑ = 20°C the speed of sound is c = 331.3 + 0.606 × 20 = 343.42 m/s.Often the easy calculation will do: c ≈ 331 + (0.6 × ϑ) = 343 m/s.


How does increasing the temperature affect the speed of sound in the air?

Speed of sound increases, when temperature increases. Speed of sound in air is c ≈ 331 + 0.6 × T. T = Temperature in °C. Speed of sound in air at 20°C is c ≈ 331 + 0.6 × 20 = 343 m/s.


The speed of sound in air is directly proportional to what?

The speed of sound in air changes clearly with temperature, a little bit with humidity - but not with air pressure (atmospheric pressure).Speed of sound depends mainly on the temperature.


What does the sound of speed depend on?

It would depend on many quantities, including the gear ratio and exhaust system of the vehicle,the depth of the tire tread, the surface texture of the track or roadway, and of course the distanceof the observer from the action.


Does the speed of sound depend on its density?

The speed of sound c in air under normal conditions is only dependent on the temperature. It is independent of the air pressure p.Reason: The air pressure p and the air density rho are proportional to each other at the same temperature. Hence, the speed of sound in air, which depends on the ratio of p to rho, is constant. Therefore the speed of sound in air is the same on a mountain peak as it is at sea level, provided that the temperature is the same.On the other hand, if you change from one gas to another, the speed will depend on density. For example, Argon gas and Helium gas at the same temperature and pressure will have very different densities and this will result in very different speeds for sound. In that case, the speed of sound is proportional to the inverse of the square root of the molecular mass. For more details see the related links.The speed of sound in solids will be much faster than in a liquid, but there is no simple relationship to the density in that case. For example, iron and aluminum have very different densities, but almost the same speed for sound.