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Topic: Thou (unit of length)

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Foot (unit of length) - Wikipedia, the free encyclopedia The imperial foot was adapted from an Egyptian measure by the Greeks, with a subsequent larger foot being adopted by the Romans. A foot (plural: feet) is a non-SI unit of distance or length, measuring around a third of a meter. The standardization of weights and measures has left several different standard foot measures. en.wikipedia.org /wiki/Foot_(unit_of_length)   (410 words)

Foot (unit of length) - Wikipedia, the free encyclopedia A foot (plural: feet) is a non-SI unit of distance or length, measuring around a third of a meter. This unit is sometimes denoted with a prime (e.g. The most commonly used foot today is the English foot, used in the United Kingdom and the United States and elsewhere, which is defined to be exactly 0.3048 meters. en.wikipedia.org /wiki/Foot_(unit_of_length)   (410 words)

Old Units of Length Length units used in land surveying are discussed in the article "Chaining." Other units were defined for use in printing, textiles, and other areas of commerce. This was a bad choice for defining a unit of length, worse than simply making a couple of arbitrary scratches on a bar, since it involved a difficult and tedious procedure, especially when the news arrived in France that the earth was not a sphere to a sufficient approximation. Length is now defined in terms of the speed of light, assumed to be an exact value (299792458 m/s), and time by the frequency of atomic vibrations, to a rather great precision. www.du.edu /~jcalvert/tech/oldleng.htm   (2464 words)

Unit of length - Wikipedia, the free encyclopedia A unit of length is a way of measuring length or distance. Common units of length in the International System of Units (SI) are: Archaic units of distance are described in the article on Ancient weights and measures. en.wikipedia.org /wiki/Unit_of_length   (178 words)

Base unit definitions: Meter At that time, there were two competing approaches to the definition of a standard unit of length. Some suggested defining the meter as the length of a pendulum having a half-period of one second; others suggested defining the meter as one ten-millionth of the length of the earth's meridian along a quadrant (one fourth the circumference of the earth). The meter is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second. physics.nist.gov /cuu/Units/meter.html   (334 words)

Rod (unit) - Wikipedia, the free encyclopedia A rod is a unit of length, equal to 5.5 yards or 16.5 feet (5.0292 metres in SI units). Because the furlong was "One Plough's Furrow Long" and a furrow was the length a plough team was to be driven without resting, the length of the furlong and the acre vary regionally, nominally due to differing soil types. The length is equal to the standardized length of the ox-goad used by medieval English ploughmen; fields were measured in acres which were one chain (four rods) by one furlong (in England, ten chains). en.wikipedia.org /wiki/Pole_(unit_of_length)   (334 words)

Foot (unit of length): Definition and Links by Encyclopedian.com - All about 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. The foot as a measure was used in almost all cultures. www.encyclopedian.com /fo/Foot-(unit-of-length).html   (180 words)

The Earth based units of length and the birth of the metric system Nevertheless, at the beginning of spring of the following year a different unit of length was chosen by the French Academy of Sciences, thus signing the end of the seconds pendulum as length standard and causing a setback of the international cooperation on units of measurements. Chronology of units of length based on nature: from the seconds pendulum to (a fraction of) the light second. Indeed, Earth related units had had also quite a long history, though they were not as popular as the seconds pendulum, probably because their intrinsic difficulty to be determined. www.roma1.infn.it /~dagos/history/sm/node4.html   (1339 words)

R: Length of a Unit Object The length of a unit object is defined as the number of unit values in the unit object. www.stat.umn.edu /R/library/grid/html/unit.length.html   (18 words)

Length Measuring the length of objects using non-standard or informal units is the third stage in the learning sequence. Length measures need to be investigated in the many practical situations in which they occur, for example, as length, width, depth, height, thickness or closeness of objects. Length is a one-dimensional concept related to the geometric concepts of direction and line. www.nzmaths.co.nz /Measurement/Length/Length.htm   (1720 words)

Base unit definitions: Kilogram The kilogram is the unit of mass; it is equal to the mass of the international prototype of the kilogram. In 1889, the 1st CGPM sanctioned the international prototype of the kilogram, made of platinum-iridium, and declared: This prototype shall henceforth be considered to be the unit of mass. At the end of the 18th century, a kilogram was the mass of a cubic decimeter of water. physics.nist.gov /cuu/Units/kilogram.html   (117 words)

parsec – (symbol: pc) an astronomical unit of length equal to the distance at which a baseline of one astronomical unit subtends an angle of one second of arc parsec– (symbol: pc) an astronomical unit of length equal to the distance at which a baseline of one astronomical unit subtends an angle of one second of arc. parsec– (symbol: pc) an astronomical unit of length equal to the distance at which a baseline of one astronomical unit subtends an angle of one second of arc www.yphysics.freenet.kz /Words%20P/parsec.htm   (58 words)

MSN Encarta - Metric System Metric System, a decimal system of physical units based on a unit of length known as the meter (Greek metron, “measure”). To change units in the metric system, simply move the decimal point to the right or the left, depending on whether the unit of measurement is increasing or decreasing by ten or one hundred and so on. All units of measurement in the metric system are based on decimals—that is, units that increase or decrease by multiples of ten. encarta.msn.com /encyclopedia_761561345/Metric_System.html   (820 words)

Method and device for recording a mark having a substantially constant number of pulses per unit length independent of writing speed on an optical information carrier - Patent 5802032 Small variations in the number of pulses per unit of length of a mark are possible in embodiments where a disc-shaped carrier rotating at constant angular velocity is divided is several zones, each of which is written at a constant angular density and zones at increasing radii are written at increasing angular density. When recording the data signal, a `high` period is recorded as a mark having a length corresponding to the duration or width of the `high` period, and a `low` period is recorded as an unwritten area between marks and having a length corresponding to the duration or width of the `low` period. The control unit may generate the pulses of equal width by means of a mono-stable multivibrator triggered by the data signal and the clock signal. www.freepatentsonline.com /5802032.html   (5485 words)

length Units of length measure height, width, length, depth, and distance. When measuring length in the customary system the common units used are inches, feet, yards, and miles. The Egyptians have evidence that proves that they may be the earliest civilization that discovered a standard unit for length. www.coe.uh.edu /archive/science/science_lessons/scienceles3/length/length.html   (406 words)

unit length The unit may be a metre, for example. www.pha.jhu.edu /~ggaspar/physics/glossary/glossary/uu/unitleng.htm   (8 words)

Measurement - Units Dictionary F-J Because the gallon, quart, and pint differ in the United States and the United Kingdom, the use of this unit and term is generally discouraged for scientific purposes. This ancient unit is still commonly used to measure the height of horses from the ground to the top of the shoulder. However, use of the SI unit, the candela per square meter, is generally accepted. www.batesville.k12.in.us /physics/ANet/Science/Measure/UnitsDictF2J.html   (923 words)

Cana - Wikipedia, the free encyclopedia For the ancient Aragonese unit of length, see cana Among Christians and other students of the New Testament, Cana is best known as the place where, according to the Fourth Gospel, Jesus performed his first miracle, the turning of a large quantity of water into wine at a wedding feast (John 2:1-11) when the wine provided by the bridegroom had run out. Cana of Galilee is not mentioned in any other book of the Bible, nor in any other contemporary source. en.wikipedia.org /wiki/Cana   (923 words)

Old Units of Length Length units used in land surveying are discussed in the article "Chaining." Other units were defined for use in printing, textiles, and other areas of commerce. Length is now defined in terms of the speed of light, assumed to be an exact value (299792458 m/s), and time by the frequency of atomic vibrations, to a rather great precision. The units used to measure weights of coal in Britain were extremely various and local, and the hundredweight is the sole surviving representative of such units. www.du.edu /~jcalvert/tech/oldleng.htm   (923 words)

Foot (unit of length) - Wikipedia, the free encyclopedia A foot (plural: feet) is a non- SI unit of distance or length, measuring around a third of a metre. The most commonly used foot today is the imperial foot, used in the United Kingdom and the United States, which is defined to be exactly 0.3048 metre. 30′ means 30 feet), often approximated by an apostrophe. en.wikipedia.org /wiki/Foot_(unit_of_length)   (923 words)

astronomical unit concept from the Astronomy knowledge base The astronomical unit is defined as the length of the radius of the unperturbed circular orbit of a body of negligible mass moving around the Sun with a sidereal angular velocity of 0.017202098950 radian per day of 86400 ephemeris seconds. Next length unit: Bohr radius Up: length unit, non SI unit Previous length unit: angstrom abstraction > mathematical concept > unit > length unit > astronomical unit www.csi.uottawa.ca:4321 /astronomy/astronomicalunit.html   (219 words)

Length Meters and their derived units, such as kilometers, centimeters, and millimeters, all measure the property that we call length. Thus a kilometer is 1,000 times the length of one meter. , means that we're talking about a unit that is 1,000 times larger than the basic unit of a meter. dl.clackamas.cc.or.us /ch104-01b/length.htm   (242 words)

CSS2 syntax and basic data types Absolute length units are only useful when the physical properties of the output medium are known. There are two types of length units: relative and absolute. Pixel units are relative to the resolution of the viewing device, i.e., most often a computer display. www.w3.org /TR/REC-CSS2/syndata.html   (4673 words)

Scavenger Hunt for Lengths--Mathematics lesson plan (grades 6-8)--DiscoverySchool.com Context: Originally, a foot was the length of the king’s foot, but now it is a standard unit of length equal to 12 inches, or one-third of a yard. Explain whether the unit would be shorter than 1 inch, between 1 inch and 1 foot, between 1 foot and 1 yard, between 1 yard and 1 mile, or longer than 1 mile. Possible strategies include estimating the length of part of the object and using this to estimate the whole length, comparing the length with a length they know, and estimating the shortest and the longest possible lengths and using these to estimate the range of the length. school.discovery.com /lessonplans/programs/lengths   (1685 words)

String calculation; string measurement; mass per unit length. Just plug in your string length, the frequency of the note you want and the desired tension, and out pops the required mass per unit length. The diameter of the string and the mass per unit length are related as follows: The conversion of tension from proper units of newtons to units of "kilograms" is gotten from the relationship, www.geocities.com /CapitolHill/Lobby/7049/strmpl.htm   (2259 words)

meter – (symbol: m) the SI fundamental unit of length, equivalent to 39 meter – (symbol: m) the SI fundamental unit of length, equivalent to 39.37 inches, in the metric system. meter – (symbol: m) the SI fundamental unit of length, equivalent to 39 ) of the earth's quadrant passing through Paris but was redefined in 1960 as the length equal to 1650763.73 wavelengths in a vacuum of the orange-red radiation of krypton-86. www.yphysics.freenet.kz /Words%20M/meter.htm   (69 words)

The Universe on its Terms In the universe, however, if we look for a "true" reference unit length, we find that there are an infinite number of choices. Although it is a reference length we have not yet assigned it a numerical identity (...and may not want to!). After all, a material unit length, like a meter, is based on matter. www.martinelli.org /rexpansion/realvsab.htm   (2564 words)

The Unit Circle To use the unit circle, we put the vertex of an angle at the center of the circle with the first side of the angle extending along the x-axis from the vertex toward the right. The circle's radius being one unit in length is important now, because the sine and cosine are defined as the opposite or adjacent (respectively) over the hypotenuse. The circle's center is at the origin, and its circumference comprises the set of all points that are exactly one unit from the origin while lying in the plane. www.humboldt.edu /~dlj1/PreCalculus/Images/UnitCircle.html   (660 words)

Length—Evolution from Measurement Standard to a Fundamental Constant The meter (m) is the Si unit of length and is defined as the length of the path traveled by light in vacuum during the time interval of 1/299 792 458 of a second. The ability to measure atomic wavelengths with higher accuracy and reproducibility has been further enhanced by the invention of the laser, along with techniques that permit the direct observation of the natural linewidth of atomic and molecular transitions without Doppler broadening. The length standard was disseminated to the national laboratories through the use of artifact meters, which were accurate (but not identical) replicas of the prototype meter. www.mel.nist.gov /div821/museum/length.htm   (1598 words)

hair length The units for rate of growth are mm/day. If the time unit is in years then multiply the number of years by 365. length of anogen (growing phase) in months or years www.shodor.org /succeedhi/succeedhi/hair/math1-content.html   (394 words)

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