Foot (unit of length) - Foot (unit of length) A foot is a unit of length, the original measure being the length of a man's foot. The most commonly used foot today is the imperial unit, the foot currently defined to be 0.3048 meters. This unit is sometimes denoted with an apostrophe (ex. 30' = 30 feet). The foot as a measure was used in almost all cultures. The first known standard foot measure was from Sumeria, where a definition is given in a statue of Gudea of Lagash from around 2575 BC. The imperial foot was adapted from an Egyptian measure by the Greeks, with a subsequent larger foot being adopted by the Romans. In addition to the current standard imperial foot, there is also a slightly different U.S. survey.
Imperial unit - Imperial unit In metrology, Imperial units (also called British units) are the measurement units that were generally used in the British Commonwealth countries in the past. Table of contents showTocToggle("show","hide") 1 Relation to other systems 2 Measures of length 3 Measures of volume 4 Measures of weight and mass Relation to other systems Most Imperial units had the same names as to the units that are still predominantly used in the United States (see U.S. customary units). Unfortunately, the detailed definitions differed, and in some cases the differences are substantial. The Commonwealth countries have since switched to the SI system of units. In the United Kingdom, some imperial units are still retained (e.g. miles in road signs), but the use of metric (SI) units is increasingly mandated.
U.S. customary units - States, and in most Commonwealth countries (such as Australia and New Zealand) the process is largely completed, although some informal usage of non-metric units remains. Historically a wide range of non-metric units have been used in the US and UK, and in England before that, but many of these have fallen into disuse. This article will mainly deal with those commonly used or officially defined in the US. See also: SI, Imperial units, History of Weights and Measures, conversion of units, Informal conversion of common units. Table of contents showTocToggle("show","hide") 1 Units of Length 2 Units of area 3 Units of mass 3.1 Avoirdupois weight 3.2 Apothecaries weight 3.3 Troy weight 4 Units of capacity and volume 4.4 Volume in general 4.5 Liquid Volume 4.6 Dry Volume 5 Cooking Measures 6.
Geography of the Interior United States - to Hudson Bay or the Gulf of St Lawrence on the north and to the Gulf of Mexico on the south. The three lakes of the middle group stand at practically the same level: Lake Michigan Lake Huron are connected Lake Erie Lake Michigan and Lake Huron ar connected by the Mackinac Straits with the Mackinac Bridge spanning the straits. Lake Huron and Lake Erie are connected by the St Clair River and Detroit River with the small Lake St. Clair between them. The land northeast of the rivers is undergoing a slow elevation. The Niagara River connecting Lake Erie and Lake Ontario, with a fall of 326 ft. (160 ft. at the cataract) in 30 miles, is of very recent origin as an older river would have a mature valley..
United States Coast Guard - Lakes Eleventh District Pacific Alameda, California California, Arizona, Nevada, and Utah Thirteenth District Pacific Seattle, Washington Oregon, Washington, Idaho and Wyoming Fourteenth District Pacific Honolulu, Hawaii Hawaii Seventeenth District Pacific Juneau, Alaska Alaska In each district, large operational centers are known as Activities. Smaller boat stations are Stations, while aircraft fly from Coast Guard Air Stations. Coast Guard Air Stations Fifth District CGAS Elizabeth City, North Carolina Seventh District CGAS Clearwater, Florida CGAS Miami, Florida Eight District CGAS Corpus Christi, Texas Eleventh District CGAS Humboldt Bay, California CGAS Sacramento, California CGAS San Francisco, California CGAS Los Angeles, California CGAS San Diego, California The U.S. Coast Guard Academy The U.S. Coast Guard Academy is located in in New London, Connecticut. It is the only military academy to which no Congressional or Presidential.
Foot - Foot This article is about a foot as part of the human body. For foot as a unit of length see foot (unit of length). For foot as used in poetry see foot (poetry). If you were got here by searching for 'toe' and are looking for a topic in physics, you probably want to see theory of everything. A right foot. The feet (singular "foot") are the lower extremities of the leg, and are used by human beings for bipedal locomotion, also known as walking. The pair foot and feet are one of seven mutated English plurals. The structures of the human foot and hand are variations on the same basic five-digit anatomy, in common with many other vertebrates. They are also the most complex,.
Board foot - Board foot The board foot is a specialized unit of volume for measuring lumber in the United States. It is the amount of wood in a 12-inch long 1-inch-by-12-inch board, or the equivalent. Unfortunately, it is not truly a measure of volume, due to nominal and actual measures used in the lumber busines. In addition, the definition is different for hardwood and softwood. To be exact, for hardwood, the board footage is defined as BF = SM × T, where T is the nominal thickness in inches and SM = L × W / 12, where L is nominal length in feet, truncated (rounded down) to the nearest foot, W is actual width in inches, and SM is rounded to the nearest whole number. For softwood, BF.
Conversion of units - lists conversion factors between a number of units. Name of unit Symbol Relation to SI units Length, l meter (SI base unit) m micron μ = μm = 10-6 m ångström Å = 10-10 m bohr (au) a0, b ~ 5.291 77 × 10-11 m x unit X ~ 1.002 × 10-13 m Fermi = 1×10-15 m inch in = 2.54 × 10-2 m foot ft = 12 in = 0.3048 m yard yd = 3 ft = 0.9144 m mile mi = 1760 yd = 1609.344 m nautical mile = 1852 m ~ 6076.1 feet geographical mile = 1855 m = 6087.15 feet astronomical unit AU = 1.495 978 706 6 × 1011 m parsec pc = 3.085 677 580 666 31 × 1016 m light.
Cubic foot - Cubic foot The cubic foot (symbols ft³, cu. ft.) is a nonmetric unit of volume, used in the United States. It is defined as the volume of a cube with edges one foot in length. 1 cubic foot is equal to: 1,728 cubic inches 0.037037 (1/27) cubic yard 7.48052 gallons 28.3168 litres 0.0283168 cubic metres See 1 E-2 m³ for a comparison with other volumes, also orders of magnitude (volume)..
Orders of magnitude (length) - Orders of magnitude (length) This is a list of orders of magnitude for length. Other lists for time, area, volume, mass and dimensionless numbers are also available, and an overview is at order of magnitude. 10-35 m 1.6×10-35 is approximately one Planck length; lengths smaller than this do not make any physical sense [...] 10-18 m = 1 attometre (am) size of a quark 10-15 m = 1 femtometre (fm) size of a proton 10-14 m scale of the atomic nucleus 10-13 m 10-12 m = 1 picometre (pm) wavelength of gamma rays 10-11 m 10-10 m = 1 Ångström size of smallest atoms wavelength of X rays 10-9 m = 1 nanometre (nm) diameter of DNA helix 10-8 m = 10 nm 20 nm -- thickness of.
Jetboat - or motorboat that uses a propeller in the water behind the boat, a jetboat draws the water from under the boat into an impeller pump, known as a jet unit, inside the boat then expels it through a nozzle at the stern. Steering is accomplished by small vanes that direct the water jet in the direction the boat needs to go. Because of this the jetboat is highly maneuverable and can often be reversed and brought to a stop within its own length from full speed in a maneuver known as a jetboat turn. By analogy to aircraft, a conventional screw propellor accelerates a large volume of water by a small amount, in a manner similar to the way an aeroplane's propellor accelerates a large volume of air by a small.
Inch - Inch An inch is an Imperial unit of length. Sweden also briefly had a "decimal inch" based on the metric system: see below for more. According to some sources, the inch was originally defined informally as the distance between the tip of the thumb and the first joint of the thumb. Another source says that the inch was at one time defined in terms of the yard, supposedly defined as the distance between Henry I of England's nose and his thumb. There are twelve inches in a foot, and three feet in a yard. Historically, the inch has referred to several slightly different units of length, used in different parts of the world. Today there are two units called the "inch" still in use, both being largely confined to.
Vickers K - commercial designation made by Vickers themselves. Below are the specifications for the 'K' gun: Weight of gun, complete with sights and empty cartridge bag 29.5 lbs (13.38 kgs) Weight of magazine with 60 rounds of .303" ammunition (later magazines held 100 rounds) 7.5 lbs (3.40 kgs) Length of gun with flash eliminator 37 inches (93.98 cms) Length of gun without flash eliminator 29 inches (73.68 cms) Rate of fire (approx) 950 rounds per minute The Vickers 'K' gun was originally an Aircraft observers gun as it had a high rate of fire which made it suitable for shooting at high speed planes and getting as many bullets on target in the short space of time in which a plane would have been visible and in range. There were two sizes of.
Geothermal exchange heat pump - from one place to another - aquaified, lake, pound, etc - remove some of the heat and and then return that fluid. The pipe is installed under the surface of the earth below the frost line in either a horizontal layout or a vertical layout for space restricted areas. The length of the pipe varies with the heating/cooling requirements, the soil type, pipe installation layout and the location of the installation. The pipe can be installed in several different configurations including both a spiral pattern and a straight pattern. A typical 2000 square foot residence will require four tons of heating capacity. Each ton of heating capacity requires approximately 91 metres (300 feet) of vertical loop or 122 metres (400 feet) of horizontal loop. Thus the residence will require 366 metres.
University of Pennsylvania Law School - again, the lectures went unfinished, reportedly because of Dr. Hare's "loss of reason" (possibly Alzheimer's disease). At various times, courses in international law were offered in the College -- the liberal arts school of the University -- but no further attempt was made to set up a separate law unit until 1850, when George Sharswood, President Judge of the District Court for the City and County of Philadelphia, was appointed Professor of Law to teach a two-year course. In 1852, a Faculty of Law was established with the addition of two more instructors. That year the department also began issuing the degree of LL.B. At the time, entry into law in Philadelphia, as elsewhere in the country, was primarily through apprenticeship in the offices of an established attorney -- students paid.
Feet forwards motorcycle - carry only one person. Similarly the area occupied when not in use (parking) consumes a vast amount of space that could be better utilised. Environment - a car uses a lot more fuel than a motorcycle for the same journey. It is also more expensive in terms of resources to build in the first place. Journey times - a car is generally a lot slower than a motorcycle for city journeys due to congestion. The FF motorcycle is an attempt to marry the advantages of bikes and cars, while avoiding the drawbacks of either. In addressing these issues, most FF designs arrive at a low-slung enclosing body between the wheels, with the rider in a reclining position. To accommodate the increased cabin length, a longer wheelbase that that generally found on.
E-8 Joint STARS - E-8 Joint STARS The E-8C is a modified Boeing 707-300 series commercial airframe extensively remanufactured and modified with the radar, communications, operations and control subsystems required to perform its operational mission. The most prominent external feature is the 12-meter (40-foot) long, canoe-shaped radome under the forward fuselage that houses the 7.3-meter (24-foot) long, side-looking phase array antenna. The E-8C can respond quickly and effectively to support worldwide military contingency operations. It is a jam-resistant system capable of operating while experiencing heavy electronic countermeasures. The E-8C can fly a mission profile for 9 hours without refueling. Its range and on-station time can be substantially increased through in-flight refueling. The radar and computer subsystems on the E-8C can gather and display broad and detailed battlefield information. Data is collected as events occur. This.
E-2 Hawkeye - sensors to provide early warning, threat analyses and control of counteraction against air and surface targets. It is a high-wing aircraft with stacked antennae elements contained in a 24-foot rotating dome above the fuselage. The peculiar airflow over and around the radar dome led to a multiple-surface tail unit. The continuous improvements in early airborne radars by 1956 led to the concept of an airborne early warning and command and control aircraft. The first aircraft to perform this mission was the Grumman E-1 Tracer (a variant of the S-2 Tracker anti-submarine aircraft), which saw service from 1954 to 1964. The E-1's successor, the E-2 Hawkeye, was the first carrier-based aircraft designed from the outset for the all-weather airborne early warning and command and control function. Since replacing the E-1 in 1964,.
USS George Washington (SSBN-598) - Displacement: 5959 tons surfaced, 6709 tons submerged Length: 116.3 meters (381.6 feet) Beam: 10 meters (33 feet) Draft: 29 feet Powerplant: S5W reactor Speed: 16 knots surfaced, 22 knots submerged Complement: two crews, each of 12 officers and 100 men Armament: six 21-inch torpedo tubes, 16 Polaris missiles USS George Washington (SSBN-598) was laid down at Electric Boat Division of General Dynamics, Groton, Connecticut on 1 November 1957. The first ship of her class, she was launched on 9 June 1959 sponsored by Mrs. Robert B. Anderson, and commissioned on 30 December 1959 with Commander James B. Osborn in command of the Blue crew and Commander John L. From, Jr. in command of the Gold crew. George Washington was originally Scorpion (SSN-589). During construction, she was lengthened by the insertion of.
USS Tennessee (BB-43) Part 3 - Tennessee (BB-43) Part 3 Due to the length of this article, it has been split up. Part 1 Part 2 Part 3 Part 4 Part 5 Operation Forager, the assault on the Mariana Islands, was planned as a two-pronged thrust. Vice Admiral Richmond K. Turner's Task Force 51 was organized into a Northern Attack Force (TF 52), under his command, and a Southern Attack Force (TF 53) under Rear Admiral Richard Conolly. While TF 52 attacked Saipan and nearby Tinian, Conolly's TF 52 was aimed at Guam. The bombardment and fire support force arrayed for this operation included Tennessee and seven other older battleships, 11 cruisers, and about 26 destroyers. These ships were divided into two fire support groups, Tennessee, with California (BB-44), Maryland (BB-46), and Colorado (BB-45), was assigned to.
