Orders of magnitude (speed)

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Orders of magnitude
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To help compare different orders of magnitude, the following list describes various speed levels between 10⁻⁹ m/s and 3 × 10⁸ m/s.

List of Orders of Magnitude for Speed

Decade of Speed [m/s]	Speed of item [m/s]	Speed of item [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
	3×10-9	1.08×10-8	Hair growth.
10-6	6×10-6	2.16×10-5	Speed of a snail.
10-1	0.28	1	1 km/hour
100	1	3.6	1 m/second
	1-1.5	3.6-5.4	Average walking speed.
101	10	36	Speed of a sprinter.
	5 - 25		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.
	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.
102	10 - 120		Speed of propagation for mammalian motor neurons.
	130		Speed of a tornado.
	161	580	Speed of Japanease Maglev train in 2003.
	340	1,224	Speed of sound at sea level.
	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 airplane driven by a mechanical jet engine
103	2000	7,200	Estimated speed of a thermal neutron
	2019	7,268.4	Speed of the North American X-15 rocket plane.
	3111	11,199.6	Speed of the X-43 rocket plane, equalising Earth's escape velocity.
	7777	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.
	29,800	107,280	Speed of the Earth in orbit around the Sun.
	70,220	252,792	Speed of Helios B - Fastest man-made object.
Faster	2×105	7×105	Speed of the solar system orbiting the center of our Milky Way galaxy.
	4.5×105	1.6×106	Typical speed of a particle of the solar wind, relative to the Sun.
	1×107	3.6×107	Typical speed of a fast neutron.
	2×108	7.2×108	Speed of a signal in a cable.
	299,792,458	1,079,252,849	Speed of electromagnetic radiation in vacuum.

External links

• Common Speed Conversions (http://www.onlineconversion.com/speed_common.htm).

Wikipedia (http://en.wikipedia.org/wiki/Main_Page) Orders_of_magnitude_(speed) (http://en.wikipedia.org/wiki/Orders_of_magnitude_(speed)) version history (http://en.wikipedia.org/w/index.php?title=Orders_of_magnitude_(speed)&action=history) GNU Free Documentation Lizenz (http://en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License) CC-by-sa (http://creativecommons.org/licenses/by-sa/2.5/)

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