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Is subsonic speed underwater?
Subsonic speed refers to speeds below the speed of sound in a medium. In water, the speed of sound is higher than in air, so typical speeds of objects moving through water are considered subsonic.
What is the speed lower than the speed of sound called?
speeds lower than the speed of sound is known as the subsonic speed. speeds greater than the speed of sound is supersonic (mach 1) and speeds that are many times above the speed of sound (above mach 0) are known as hypersonic sounds.
What is the descriptors used for wind speed?
The most common descriptors used for wind speed are calm, light, moderate, strong, and severe. These terms are typically associated with specific ranges of wind speeds, such as calm for speeds below 1 knot, light for speeds between 1-10 knots, moderate for speeds between 11-20 knots, strong for speeds between 21-31 knots, and severe for speeds above 32 knots.
What is the difference in wind strength between a category 2 and category 5 hurricane?
The main difference in wind strength between a category 2 and category 5 hurricane is the maximum sustained wind speed. A category 2 hurricane has wind speeds of 96-110 mph, while a category 5 hurricane has wind speeds of 157 mph or higher, making it much more intense and potentially destructive.
What is an example of retrograde motion?
An example of retrograde motion is when Mars appears to temporarily move backward in its orbit as seen from Earth. This is an optical illusion caused by the difference in speeds between Earth and Mars as they revolve around the Sun.
What's difference between subsonic and supersonic?
The main difference is the speed of the object in relation to the speed of sound. Subsonic refers to speeds slower than the speed of sound, while supersonic refers to speeds faster than the speed of sound. In the case of supersonic speeds, objects are traveling faster than the speed at which sound waves propagate in the medium.
What has the author Richard T Whitcomb written?
Richard T. Whitcomb has written: 'Zero-lift-drag characteristics of wing-body combinations at transonic speeds' 'A design approach and selected wind-tunnel results at high subsonic speeds for wing-tip mounted winglets'
Is subsonic speed underwater?
Subsonic speed refers to speeds below the speed of sound in a medium. In water, the speed of sound is higher than in air, so typical speeds of objects moving through water are considered subsonic.
When transonic speed occur?
Transonic speed occurs when an object is traveling at a speed that is close to the speed of sound, typically between 0.8 and 1.2 times the speed of sound. At transonic speeds, airflow around the object can become turbulent, leading to changes in aerodynamic forces and potential control issues.
What is the difference between kinetic friction and state friction?
it speeds up and speeds down
Does a hang glider fly at infrasonic speeds?
The correct term for this is subsonic, not infrasonic. And yeah, I wouldn't want to go above the speed of sound in a hang glider! So, yes, they fly subsonic.
Why aircraft that travel at supersonic speeds cannot be heard on the ground?
The properties of air flow at supersonic speeds is different than for subsonic speeds. So the design of the shape of the airplane and the inlets for the engines have to be different in order for it to fly at supersonic speeds.
What has the author Z A Gralewski written?
Z. A. Gralewski has written: 'The aerodynamic drag of tube vehicles travelling at subsonic speeds'
What is the difference between scramjet and ramjet engines?
Scramjet (supersonic combustion ramjet) and ramjet engines are both types of air-breathing engines, but they operate at different speeds. Ramjets function efficiently at subsonic to low supersonic speeds, using the forward motion of the vehicle to compress incoming air before combustion. In contrast, scramjets are designed for supersonic speeds, allowing combustion to occur while the airflow remains supersonic, which enables them to operate at much higher speeds, typically above Mach 5. This fundamental difference in airflow and combustion speed makes scramjets suitable for hypersonic flight applications.
What word means slower than sound?
The word you are looking for is "subsonic." This term describes speeds that are slower than the speed of sound.
What is difference between wireless and wired speeds?
http://en.wikipedia.org/wiki/Wireless_G
Difference between an analog and digital scope?
Analog can reach higher speeds.
