Orders of magnitude (speed)
From Wikipedia, the free encyclopedia
To help compare different orders of magnitude, the following list describes various speed levels between 1.3×10−9 m/s and 3×108 m/s.
| Factor | Value (m/s) | Value (km/h) | Item |
|---|---|---|---|
| 10−9 | 1.3×10−9 | 4.68×10−9 | Average rate of the Moon receding from the Earth. |
| 0.3×10−9 to 3×10−9 | 1×10−9 to 1×10−8 | Typical relative speed of continental drift | |
| 4.8×10−9 | 1.7×10−8 | Hair growth. | |
| 10−3 | 0.013 | 0.0468 | Speed of a Garden snail [1]. |
| 10−1 | 0.28 | 1 | 1 km/hour |
| 0.447 | 1.609 | 1mph | |
| 100 | 1 | 3.6 | 1 m/second |
| 1–1.5 | 3.6–5.4 | Average walking speed. | |
| 101 | 10.25 | 36.89 | Average speed of sprinters Asafa Powell and Justin Gatlin during their world record 100m sprints. |
| 10.35 | 37.27 | Average speed of sprinter Michael Johnson during his world record 200m sprint. | |
| 5–25 | 18–90 | Speed of propagation for unmyelinated sensory neurons. | |
| 25 | 90 | Peak speed of a galloping horse. | |
| 30 | 108 | Typical speed of car (road), Cheetah—fastest of all terrestrial animals, Sailfish—fastest Fish. Speed of go-fast boat | |
| 36 | 130 | Land speed record for a human powered vehicle. | |
| 40 | 144 | Typical speed of a train. | |
| 90 | 320 | Typical speed of a high-speed train, a diving Peregrine Falcon—fastest bird. | |
| 97.2 | 350 | Maximum speed of an Enzo Ferrari | |
| 102 | 103 | 370 | Speed of super torpedo VA-111 Shkval |
| 105.5 | 379.8 | Maximum speed of a Ferrari F50 GT1 | |
| 10–120 | 36–432 | Speed of propagation for mammalian motor neurons. | |
| 130 | 468 | Wind speed of a tornado. | |
| 161 | 580 | Speed of JR-Maglev in 2003. | |
| 331.5 | 1,193.4 | Speed of sound in air at sea level and 0°C. | |
| 341.107 | 1,227.985 | Max speed reached by the jet-propelled car ThrustSSC in 1997—Land speed record. | |
| 428 | 1,540.8 | Max speed of Bell X-1. | |
| 464 | 1,670 | Speed of Earth's rotation at the equator. | |
| 603 | 2,170.8 | Speed of the Concorde airliner. | |
| 975 | 3,510 | Muzzle velocity of M16 rifle. | |
| 981 | 3,532 | SR-71 Blackbird, the fastest aircraft driven by a mechanical jet engine | |
| 103 | 2,000 | 7,200 | Estimated speed of a thermal neutron |
| 2,019 | 7,268.4 | Speed of the North American X-15 rocket plane. | |
| 3,111 | 11,199.6 | Speed of the X-43 rocket/scramjet plane. | |
| 7,777 | 28,000 | Propagation of the explosion in a detonating cord, typical speed of a satellite and the space Shuttle in low Earth orbit.
| |
| 104 | 11,082 | 39,895 | Speed of Apollo 10—High speed record for manned vehicle. |
| 12,900 | 46,440 | Re-entry speed of return capsule for Stardust space probe—Fastest re-entry speed for man-made object. | |
| 16,210 | 58,356 | Escape speed from Earth by NASA New Horizons spacecraft—Fastest escape velocity. | |
| 29,800 | 107,280 | Speed of the Earth in orbit around the Sun. | |
| 70,220 | 252,792 | Speed of the Helios 2 solar probe—Fastest man-made object. | |
| Faster | 200,000 | 700,000 | Orbital speed of the solar system in the Milky Way galaxy. |
| 450,000 | 1,600,000 | Typical speed of a particle of the solar wind, relative to the Sun. | |
| 10,000,000 | 36,000,000 | Typical speed of a fast neutron. | |
| 30,000,000 | 100,000,000 | Typical speed of an electron in a cathode ray tube. | |
| 124,000,000 | 447,000,000 | Speed of light (electromagnetic radiation) in a diamond (Refractive index 2.417). | |
| 200,000,000 | 720,000,000 | Speed of a signal in a cable. | |
| 299,792,458 | 1,079,252,848.8 | Speed of electromagnetic radiation in vacuum (see the Speed of light). |
[edit] Examples of speeds in mph
| 3 mph | Walking speed |
| 15 mph | Bicycling speed |
| 26 mph | Top speed of a running human. (11.62 m/s) |
| 30 mph | Residential speed limit Top speed of a running cat, or dog |
| 50–60 mph | Speed limit on a major road Top speed of an antelope |
| 70 mph | Highway or motorway speed Top speed of a cheetah |
| 103 mph | Top speed (as of 2006) of a pitcher's fastball in baseball |
| 180 mph | High-speed train |
| 250–260 mph | Top speed of high performance supercars such as the Bugatti Veyron or the Koenigsegg CCX |
| 625 mph | Airliner cruising speed |
| 761 mph | The approximate speed of sound (at sea level) |
| 763 mph | Current world land speed record |
| 16,250 mph | Re-entry speed of a space shuttle |
| 25,200 mph | Earth's escape velocity |
| 670,616,629 mph | Speed of light |
[edit] Examples of speeds in km/h
| 5 km/h | Walking speed |
| 20 km/h | Easy bicycling speed |
| 44 km/h | Top speed of a running human. (100 Asafa Powells Maximum speed in 100m) |
| 50 km/h | Residential speed limit Top speed of a running cat, or dog |
| 80–90 km/h | Speed limit on a major road Top speed of an antelope |
| 100–120 km/h | Highway or motorway speed Top speed of a cheetah |
| 300 km/h | High-speed train |
| 400–420 km/h | Top speed of high performance supercars such as the Bugatti Veyron or the Koenigsegg CCX |
| 1,000 km/h | Airliner cruising speed |
| 1,200 km/h | The approximate speed of sound (at sea level) |
| 1,228 km/h | Current world land speed record |
| 26,000 km/h | Re-entry speed of the space shuttle |
| 40,320 km/h | Earth's escape velocity |
| 1,079,252,848.8 km/h | Speed of light (exact) |
