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If accelerating to the speed of sound, the subsonic.

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9y ago

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What best describes a flight that is approaching speed of sound?

We call them ultra sonic planes. There is a sonic boom it is traveling when this speed.


Which of these best describes a flight that is approaching the speed of sound?

more drag is created because the air molecules are not moving out of the way of the airplane


Why do you hear the sound of an approaching car before car reaches us?

Because the speed of sound travels at +- 1300 km/h and the car that is approaching isn't that fast. So u first hear the sound before the car reaches u.


Which passenger flight travels faster than sound?

The Concorde was one such flight which can make out a mac no of 1..thereby defeating the speed of sound..


The first flight faster than the speed of sound was called?

It was referred to as breaking the sound barrier.


Describes a motion that is faster then the speed of sound?

The end of a whip, when cracked.


Speed of sound is approx 740mph a police car with its siren sounding is approaching you at 80mph at what speed is the sound from the police siren approaching you?

The sound moves through the air at 740 mph, regardless of the speed of the source. The sound ofthe siren passes you at 740 mph.However, since the source is approaching you, more waves pass you each second than leavethe source each second. That's why the pitch of the sound from an approaching source soundshigher than its actual pitch.Also ... since the sound doesn't move away from the source any faster than 740 mph no matterhow fast the source is moving, that's why the pressure of the sound waves piles up in front ofthe source when the speed of the source approaches 740 mph, forming what's popularly calledthe "sound barrier".


What was the flight faster then speed called?

There was not a special name for the first flight that went faster than the speed of sound. However, when a plane does go faster than sound, it said to be traveling at supersonic speeds.


What is the speed of sound flying?

The speed of sound flying varies depending on the altitude, temperature, and humidity. On average, the speed of sound at cruising altitude ranges from approximately 660 to 720 miles per hour.


Which of these best described a flight that is approaching the speed of light?

I honestly don't see anything in that list of choices that comes anywhere close to an adequate description.


When is the speed of sound the fastest?

The first flight at faster than the speed of sound occurred on 14 October 1947. The aircraft was the Bell X-1 and the pilot was Captain Charles Yeager.


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.