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May 12, 2011 · At a typical sea level temperature, sound travels about 1,220 kilometers (760 miles) per hour. At high altitudes, where it is much colder, sound travels slower. The higher the temperature, the faster the air molecules are moving to begin with, and the quicker they bump into each other as a sound wave passes through.
Feb 1, 2019 · Kim Strong, a professor of physics at the University of Toronto says the answer is yes, in fact sound travels faster when the air is hotter. At 25 C, the speed of sound is 1,246 kilometres per hour.
It’s not just your imagination! While sound moves faster in warm air, it doesn’t travel as far as it does in colder temperatures. Temperature isn’t the only thing that affects the speed of sound. For instance, humidity also has an impact. By making air less dense, low humidity helps sound waves move faster. Air pressure can also make a ...
Aug 1, 2019 · Learn why sound travels farther in cold weather, despite traveling faster in warm air. Find out how humidity, temperature, and refraction affect sound waves and how they change in different environments.
- Ashley Hamer
For example, while sound travels at 343 m/s in air, it travels at 1481 m/s in water (almost 4.3 times as fast) and at 5120 m/s in iron (almost 15 times as fast). In an exceptionally stiff material such as diamond, sound travels at 12,000 m/s (39,370 ft/s), [ 2 ] – about 35 times its speed in air and about the fastest it can travel under normal conditions.
The speed of sound is greater in hot air than in cold air because the molecules of air are moving faster. This causes sound to bend upwards or downwards when it travels from hot to cold or vice versa.
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Why does sound travel faster in warm air?
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Why does sound refract faster in hot air than in cold air?
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How does humidity affect the speed of sound?
Jul 23, 2023 · So sound travels much faster in warm air near the ground than in colder air higher up, for example. And it travels roughly three times faster in helium gas than in ordinary air, because helium has much lighter molecules.
