15 April 2009
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Q.What many palnes can go faster than 1000 mph? Rough answer will suffice.
A.Including planes that no longer fly eg Concorde, there's been more than 50 planes capable of 1,000mph. Fastest piloted plane is the X-15 at 4,520mph.
Q.At what speed would you have to fly and in which direction around the equator for the sun to stay in the same place?
A.You'd need to fly at the same speed the Earth was rotating at, and this varies depending on your point on the globe. It's about 1,000mph at the equator.
Q.How fast in mph does a typhoon/ euro fighter fly at?
A.The Eurofighter Typhoon has a top speed of 1,330mph. The SR71 Blackbird is faster at 2,000mph. The Tornado can reach speeds of 1,480mph.
Q.Whats the distance around the world
A.The circumference of the earth at the equator is 24,901.55 miles. If you were flying at 10,000mph would take 2.5 hours to fly around the globe.
Q.How fast does an inter continental ballistic missile fly
A.An ICBM's top speed is 15,000mph. An ICBM launched from Trafalgar Square would hit the Kremlin just over 11 minutes after the Prime Minister pushed the button.