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1 lachter = 8 Spann = 80 (Lachter)Zoll = 800 Primen = 8,000 Sekunden; In the 19th century a decimal system of subdivision was established: 1 lachter = 10 Lachterfuß = 100 Lachterzoll = 1,000 Lachterlinien; Like other units of measure, the lachter varied in length depending on the region, but there could also be differences in length within the ...
Lachter – a unit of length once used in the mining industry in most of Europe. It was usually used to measure depth, tunnel driving and the size of mining fields; it was also used for contract work.
The Lachter was the most common unit of length used in mining in German-speaking areas. Its exact length varied from place to place but was roughly between 1.9 and 2.1 metres (6 ft 3 in and 6 ft 11 in).
The base unit in the International System of Units (SI) is the meter, defined as "the length of the path travelled by light in vacuum during a time interval of 1 ⁄ 299792458 seconds." [ 9 ] It is approximately equal to 1.0936 yd .
Magnetic flux generated per unit current through a circuit henry (H) L 2 M T −2 I −2: scalar Irradiance: E: Electromagnetic radiation power per unit surface area W/m 2: M T −3: intensive Intensity: I: Power per unit cross sectional area W/m 2: M T −3: intensive Linear density: ρ l: Mass per unit length kg⋅m −1: L −1 M: Luminous ...
Unit system Domain Derivation Unit name Unit symbol Dimension symbol Quantity name Definition In SI base units In other SI units SI: Physics: Basic: second [n 1] s: T: time: The duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom. s: SI ...
The conversion between different SI units for one and the same physical quantity is always through a power of ten. This is why the SI (and metric systems more generally) are called decimal systems of measurement units. [10] The grouping formed by a prefix symbol attached to a unit symbol (e.g. ' km ', ' cm ') constitutes a new inseparable unit ...
The atomic units have been chosen to use several constants relating to the electron: the electron mass, the elementary charge, the Coulomb constant and the reduced Planck constant. The unit of energy in this system is the total energy of the electron in the Bohr atom and called the Hartree energy. The unit of length is the Bohr radius.
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