# Does sound travel faster through air at 0 or 20 degrees?

## Does sound travel faster through air at 0 or 20 degrees?

A: For each 1 degree Celsius that temperature decreases, the speed of sound decreases by 0.6 m/s. So sound travels through dry, -20 °C air at a speed of 319 m/s….Temperature and Speed of Sound.

Temperature of Air Speed of Sound Waves (m/s)
0 °C 331
20 °C 343
100 °C 386

## Which temperature is most favorable for sound to travel fastest?

At freezing (0º Celcius), sound travels through air at 331 meters per second (about 740 mph). But, at 20ºC, room temperature, sound travels at 343 meters per second (767 mph). Liquids: Sound travels faster in liquids than in gases because molecules are more tightly packed.

## Does sound travel better in cold air?

Because sound moves faster in warm air than colder air, the wave bends away from the warm air and back toward the ground. That’s why sound is able to travel farther in chilly weather.

## Why does sound travel faster in warmer air?

Temperature is another condition that affects the speed of sound. Heat, like sound, is a form of kinetic energy. Molecules at higher temperatures have more energy and can vibrate faster and allow sound waves to travel more quickly.

## What if the temperature decreases to C Will the sound travel faster or slower?

In terms of temperature, sound waves move faster in warm air and slower in cold air. So as sound moves through the atmosphere, some parts of the wave will be moving faster than the rest.

## What is the speed of sound at 60 C?

Temperature – t – (oF) Speed of Sound – c – (ft/s)
40 1096
50 1106
60 1117
70 1128

## How do different materials affect sound?

Sound generally travels faster in solids and liquids than in gases. The speed of sound is faster in materials that have some stiffness like steel and slower in softer materials like rubber. The speed of sound in air is nearly the same for all frequencies and amplitudes.

## In which gas speed of sound is maximum?

Speed of Sound in Various Gases

Gas Speed of Sound (m/s)
Hydrogen 1270
Nitrogen 349
Oxygen 326
Carbon Dioxide 267

## Does sound travel faster in helium?

The speed of sound in helium is faster than in air because the helium is lighter than air. Sulfur hexafluoride makes your voice sound very low because sound travels slower in heavy gases.

## Why does sound travel faster in low density?

Sound waves are made up of kinetic energy. It takes more energy to make large molecules vibrate than it does to make smaller molecules vibrate. Thus, sound will travel at a slower rate in the more dense object if they have the same elastic properties.

## Does speed of sound depend on density?

The greater the density of a medium, the slower the speed of sound. This observation is analogous to the fact that the frequency of a simple harmonic motion is inversely proportional to m, the mass of the oscillating object. The speed of sound in air is low, because air is easily compressible.

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