- Has a 747 ever broken the sound barrier?
- What is the fastest jet in the world?
- Has a propeller plane broke the sound barrier?
- Has any land vehicle ever broken the sound barrier?
- What’s better f22 or f35?
- Why is it forbidden to fly over Disneyland?
- What is the fastest commercial airplane?
- Is the a380 faster than 747?
- How fast does a 747 go before takeoff?
- Does a bullet make a sonic boom?
- Why does the B 52 have 8 engines?
- How cold is it at 35000 feet?
- What is the slowest a plane can fly?
- What happens if you fall from 30000 feet?
- Which is faster 747 or 777?
Has a 747 ever broken the sound barrier?
As it shot across the Atlantic, the Boeing 747-400 jet reached a top ground speed of 825 mph.
However, the jet did not actually break the sound barrier, because that is measured by its airspeed, or the speed of the plane relative to the air through which it is traveling..
What is the fastest jet in the world?
Lockheed SR-71 BlackbirdThe Lockheed SR-71 Blackbird is the fastest jet aircraft in the world, reaching speeds of Mach 3.3–that’s more than 3,500 kph (2,100 mph) and almost four times as fast as the average cruising speed of a commercial airliner.
Has a propeller plane broke the sound barrier?
A plane, to reach the sound barrier must be doing around 767mph, in dry air with a temperature about 20⁰ Centigrade. Parts of the propeller, at this speed, is going faster than 767mph and this can create, what is called, supersonic air flow, which can cause severe shock waves so great that can destroy a prop. Yes.
Has any land vehicle ever broken the sound barrier?
Thrust SSC holds the world land speed record, set on 15 October 1997, when it achieved a speed of 1,228 km/h (763 mph) and became the first land vehicle to officially break the sound barrier.
What’s better f22 or f35?
While the F-22 is superior to the F-35 in air-to-air missions, the F-35’s air-to-air capability is superior to all other fighters. The F-35 is better than any other fighter aircraft, including the F-22, for air-to-ground strike missions.
Why is it forbidden to fly over Disneyland?
The Anaheim parks and Walt Disney World received flight-restriction status after the Sept. 11, 2001, terrorist attacks. The 2003 law also prohibits aircraft from flying over sporting events in stadiums with a seating capacity of 30,000 or more. The ban includes any unmanned remote-controlled devices such as drones.
What is the fastest commercial airplane?
The fastest passenger aircraft in service today is the Boeing 747-8i, also known as the 747-8 Intercontinental. This model of the Queen of the Skies has a top speed of Mach 0.86.
Is the a380 faster than 747?
Speed: 747s can fly faster than the A380s. The maximum cruise speed of an A380 is Mach 0.89 (89% of the speed of sound in air) while the two newest variants of the 747 (“-400” and “-8”) can cruise at a speed of Mach 0.855. … The 747 has a faster maximum operating limit speed than the A380.
How fast does a 747 go before takeoff?
Speeds vary according to performance, environmental conditions and weight but typically a fully loaded 747 on a normal long haul flight would take off from a typical length runway at around 160 knots which is 184 mph.
Does a bullet make a sonic boom?
Most bullets make small sonic booms when flying through the air, which to our ears sound like a loud, distinct “crack!” For the Pentagon’s special forces, that makes it hard to be sneaky about what they’re shooting.
Why does the B 52 have 8 engines?
Senior Airman Josh Serafin monitors the ignition of B-52H Stratofortress engines at Minot Air Force Base, N.D. Each B-52 uses eight TF33 engines to fly. … Each B-52 uses eight TF33 engines to fly, which means maintainers spend a lot of time ensuring each engine functions properly.
How cold is it at 35000 feet?
How cold is it up there? The higher you get, the colder it gets, up until 40,000 feet. If the temperature at ground level was 20C, at 40,000 feet it would be -57C. At 35,000 feet the air temperature is about -54C.
What is the slowest a plane can fly?
Technically this is the so-called ‘stall speed’, where air passes over the wings fast enough to sustain altitude, and for small planes this can be less than 50km/h (31mph).
What happens if you fall from 30000 feet?
As you fall, your speed will increase by 9.8 meters (32 feet) per second – every second – because that’s the Earth’s gravity. Eventually you would stop accelerating and reach a constant speed known as terminal velocity. … Falling from 30,000 feet, you’re likely to reach terminal velocity at 190 km (118 miles) per hour.
Which is faster 747 or 777?
Answer: The Boeing 747 can cruise at 92% of the speed of sound, Mach . … A 777 engine may be equal to two 747 engines, but the wing is not designed to take such a large engine in one place.