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Speed of Light
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Answer #2:
Many modern aircraft cruise at speeds greater than that of sound.
The adjective used to describe such travel is "supersonic".
Wiki User
∙ 11y ago
Wiki User
∙ 6y agoThe speed of sound in dry air at 20 °C (68 °F) is 343 meters per second (768 mph). There are several things that travel quicker than this speed, some being:
- visible light
- radio waves travel at the speed of light
- electrical signals guided by wires typically travel at roughly 2/3 the speed of light in a vacuum
- some airplanes (see the "Is there a plane that travels faster than the speed of sound?" question for more details)
- When someone cracks a whip, the tip of the whip travels faster than sound.
- The vactrain is an as-yet-unbuilt proposal for a railroad train that would travel faster than the speed of sound. Robert Goddard designed an early version in 1910.
- Most modern guns shoot a bullet with a muzzle velocity faster than the speed of sound; some high-velocity bullets exit the muzzle at more than four times the speed of sound.
- A few kinds of missiles, including many cruise missiles, can travel faster than sound.
Light travels much faster than sound.
For example, when lightning strikes, you can see the lightning before you hear the thunder from the lightning.
Wiki User
∙ 12y agoThe speed of light is almost a million times faster than the speed of sound. Lots of things are faster than the speed of sound. It is considered basically impossible for anything to travel faster than the speed of light.
Wiki User
∙ 9y agoFor example, several types of airplanes travel faster than that; Earth's movement around the Sun is 30 kilometers/second, which is several times faster than the usual speed of sound; and of course, the speed of light is roughly a million times as fast as the speed of sound.
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Which is faster the speed of sound in air or the speed of light in air?
Speed of light in air ~ speed of light in vavuum = 3,00 *10^8 m/s speed of sound in air ~ 330 m/s. Speed of light is faster than sound in air
How many times greater is the speed of light than the speed of sound?
The speed of sound in air is about 300 meters per second. (320 is closer still). ..The speed of light in a vacuum is 300 000 000 meters per second.So the speed of light in a vacuum (in air it is only slightly different) is about one million times the speed of sound in air.
Why do you see fireworks before hearing them?
We see the firework works first because the because burning emits light . It is a fact that it travels faster than sound . So the sound energy produced during the burning of fire work reaches us late . So we hear the sound after vizualizing it.
How many times is light faster than your running speed?
Running speed is about 3 m/s Light speed is about 300000000 m/s That's 10^8 times faster
What is the light of speed plus the light of sound?
The speed of light is 299,792,458 m/s. The speed of sound varies. But at sea level, it is 340.29 m/s. 299,792,458 m/s + 340.29 m/s = 299,792,798.29 m/s. Note: m/s = meters per second
Which is faster the speed of sound in air or the speed of light in air?
Speed of light in air ~ speed of light in vavuum = 3,00 *10^8 m/s speed of sound in air ~ 330 m/s. Speed of light is faster than sound in air
What is faster in speed light or sound?
Light; The speed of light is 300,000 km/s yet the speed of sound is just 343 m / s
What is faster the speed of soundor the speed of light?
Speed of Light Speed of Sound: 330m/s Speed of Light: 299 792 458m/s
Does light travel slower then sound?
No. It's the other way around ... sound is much slower. The numbers for each are thus: * Speed of Sound: 340.29 m/s * Speed of Light: 299,792,458 m/s Yup - light is faster ... much faster. You've never heard in the comic books "faster than the speed of light"??????
Why was light from the rocket seen before the sound of rocket was heard?
Because light travels significantly faster than sound. Speed of light (in vacuum) = 299 792 458 m/s Speed of Sound (at sea-level ) = 340.29 m/s
Does sound travel faster then light?
No!! Speed of light: 299 792 458 m / sSpeed of sound: 340.29 m / s
How much faster does the speed of light travel than the speed of sound?
Speed of light in vacuum is 299792458 m/s or 983571056.43045 ft/s.Speed of sound in air of 20°C or 68°Fahrenheit is 343 m/s or 1125.32808 ft/s.You see that light is 874030 times faster than sound.
How many times greater is the speed of light than the speed of sound?
The speed of sound in air is about 300 meters per second. (320 is closer still). ..The speed of light in a vacuum is 300 000 000 meters per second.So the speed of light in a vacuum (in air it is only slightly different) is about one million times the speed of sound in air.
Which travel faster than light or sound waves?
Which of them travel faster - light or sound waves? Light waves travel in vacuum with the speed of light c = 299792458 m/s or 983571056 ft/s. Sound waves travel at 20°C (68°F) with the speed of sound c = 343 m/s or 1125.33 ft/s. So light travels 874,030 times faster than sound. Don't forget that sound needs necessarily air as a medium. Light does not need a medium; vacuum is O
What travels faster light or sound?
Light travels at approximately 3x108m/s whilst sound travels only at 343m/s. So which do you think is the faster one?
What is the speed of light times the speed of sound?
light . . . 3 x 108 m/s sound . . . 343 m/s light-speed x sound-speed = 102,900,000,000 meters2/second2 This quantity has no physical meaning or application.
Can light travel faster than sound?
Under normal circumstances, no. The speed of light in a vacuum is roughly 300,000,000 meters/second, while the speed of sound through air is 340 meters/second. However light does not travel 3x109 m/s inside a medium, and recent experiments have shown there are ways to slow light down to a crawl. In such a medium, usually a crystal structure, sound could indeed travel faster than light.
