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A metric lieue was used in France from 1812 to 1840, with 1 metric lieue being exactly 4,000 m, or 4 km (about 2.5 mi). [4] It is this unit that is referenced in both the title and the body text of Jules Verne's novel Twenty Thousand Leagues Under the Seas (1870). [5]
1 m – approximate height of the top part of a doorknob on a door; 1 m – diameter of a very large beach ball; 1.29 m – length of the Cross Island Chapel, the smallest church in the world; 1.4 m – length of a Peel P50, the world's smallest car; 1.435 m – standard gauge of railway track used by about 60% of railways in the world = 4 ft 8 ...
M w Depth (km) MMI Notes Casualties; Dead Injured; 1 [1] South Georgia and the South Sandwich Islands, South Sandwich Islands offshore 6.1 83.0 IV - - - 2 [2] China, Ningxia, 4 km (2.5 mi) west-southwest of Yinchuan: 4.8 10.0 VI Six people injured, 7,599 buildings damaged and railway services disrupted in Yinchuan. [3] [4] - 6 2 [5]
The kilometre (SI symbol: km; / ˈ k ɪ l ə m iː t ər / or / k ɪ ˈ l ɒ m ə t ər /), spelt kilometer in American and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo-being the SI prefix for 1000).
[4] EF1 NE of Gibson: Monroe: MS: 01:08–01:09 0.69 mi (1.11 km) 120 yd (110 m) This tornado touched down briefly, tracking a short distance and causing minor damage as it uprooted and snapped trees and caused great roof and garage damage to a house. [4] EF1
kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; the international statute mile (mi) is used in the US; 1 mi = 1.609344 km; nautical mile is rarely used to derive units of transportation quantity.
1 mega square meter M(m 2) 1 square kilometre (km 2) 1.76 km 2: New Century Global Center, Chengdu, China (largest building by total floor area) 2 km 2: Monaco (country ranked 192nd by area) [49] 2.59 km 2: 1 square mile [50] 2.9 km 2: City of London (not all of modern London) [51] 10 7 59.5 km 2: Manhattan Island (land area) [52] 61 km 2: San ...
≡ 1 km/h = 2. 7 × 10 −1 m/s knot: kn ≡ 1 nmi/h = 1.852 km/h = 0.51 4 m/s knot (Admiralty) kn ≡ 1 NM (Adm)/h = 1.853 184 km/h [29] = 0.514 77 3 m/s mach number: M: Ratio of the speed to the speed of sound [note 1] in the medium (unitless). ≈ 340 m/s in air at sea level ≈ 295 m/s in air at jet altitudes metre per second (SI unit) m/s ...