# How long would it take to go around the world at Mach 6?

## How long would it take to go around the world at Mach 6?

six hours
At this speed, the SR-72 can cross the Atlantic (or Europe or China or…) in about an hour — or circumnavigate the planet in six hours. At an operational altitude of around 80,000 feet (24,300 meters) and Mach 6, the SR-72 will be almost impossible to shoot down.

What is the fastest speed in Mach?

Mach 9.6
Guinness World Records recognized NASA’s X-43A scramjet with a new world speed record for a jet-powered aircraft – Mach 9.6, or nearly 7,000 mph.

What can reach Mach 6?

The SR-72 Will Be the Fastest Aircraft in the World: And while the world was watching closely when the Chinese tested their hypersonic missiles, the Son of Blackbird will reportedly fly at a blistering Mach 6 or 4603 mph or twice the speed of the original SR-71.

### Can Jets go Mach 10?

If this thing ever really gets airborne, it could take passengers from New York to London in half an hour. The Skreemr supersonic jet concept could be the passenger airliner of the future, making the Atlantic seem more like a lake than an ocean.

What Mach does a plane fly at?

A typical commercial passenger jet flies at a speed of about 400 – 500 knots which is around 460 – 575 mph when cruising at about 36,000ft. This is about Mach 0.75 – 0.85 or in other words, about 75-85% of the speed of sound. Generally speaking, the higher the aircraft flies, the faster it can travel.

Who broke Mach 7?

NASA’s scramjet
NASA’s scramjet hurtles to earth at Mach 7. An experimental aircraft smashed the speed record for a jet plane on Saturday, flying at seven times the speed of sound. NASA’s X-43A craft flew under its own power for ten seconds, reaching speeds of more than two kilometres per second.

## How many miles per hour is Mach 6?

Mach 6 = . 4,446.5820 Miles per Hour. (rounded to 8 digits) Display result asNumberFraction (exact value) Machis the ratio of an object’s speed to the speed of sound. For example, something traveling at Mach 5 is traveling at 5 times the speed of sound.

What is Mach 5 speed?

Mach is the ratio of an object’s speed to the speed of sound. For example, something traveling at Mach 5 is traveling at 5 times the speed of sound. The speed of sound varies depending on many factors. In dry air, at 0 degrees Celsius, the speed of sound is about 331.3 meters per second.

What is Mach in physics?

Mach is a speed measurement based on the speed of sound. Since sound travels at different speeds in different conditions, the calculations here are given for 20°C in dry air at sea level. Mach is typically used in aviation and space exploration. Mach to Miles per hour formula Miles per hour

### What does mph stand for?

Miles per hour This is a measurement of speed typically used in non-metric countries for transport such as the USA. The United Kingdom also uses this on the roads although officially the metric system has been adopted. Road speed limits are given in miles per hour which is abbreviated as mph or mi/h. Mach to Miles per hour table Start