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  2. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    In terms of partition, 20 / 5 means the size of each of 5 parts into which a set of size 20 is divided. For example, 20 apples divide into five groups of four apples, meaning that "twenty divided by five is equal to four". This is denoted as 20 / 5 = 4, or ⁠ 20 / 5 ⁠ = 4. [2] In the example, 20 is the dividend, 5 is the divisor, and 4 is ...

  3. Molar concentration - Wikipedia

    en.wikipedia.org/wiki/Molar_concentration

    Molar concentration (also called molarity, amount concentration or substance concentration) is a measure of the concentration of a chemical species, in particular, of a solute in a solution, in terms of amount of substance per unit volume of solution. In chemistry, the most commonly used unit for molarity is the number of moles per liter ...

  4. 10.4mm Swiss Centerfire - Wikipedia

    en.wikipedia.org/wiki/10.4mm_Swiss_Centerfire

    Bullet mass/type. Velocity. Energy. 12.5 g (193 gr) lead. 1 g of black powder. 185 m/s (610 ft/s) 213 J (157 ft⋅lbf) The 10.4mm Swiss centerfire / 10.4x20mmR revolver cartridge was used in the Ordnance Revolver models 1872/78 and 1878 of the Swiss Army. [1] The case is of brass; the bullet is of hardened lead.

  5. macOS - Wikipedia

    en.wikipedia.org/wiki/MacOS

    macOS. macOS, originally Mac OS X, previously shortened as OS X, is an operating system developed and marketed by Apple since 2001. It is the primary operating system for Apple's Mac computers. Within the market of desktop and laptop computers, it is the second most widely used desktop OS, after Microsoft Windows and ahead of all Linux ...

  6. Volkswagen ID.4 - Wikipedia

    en.wikipedia.org/wiki/Volkswagen_ID.4

    An AWD variant of the ID.4, marketed as the ID.4 GTX in Europe, [30] accelerates 0–96 km/h (0–60 mph) in 5.7 seconds [29] and 0–100 km/h (0–62 mph) in 6.2 seconds. [ 30 ] All the values given above have changed significantly since the model was launched; for the 2024 model year, the 0-100 km/h acceleration time for the fastest model is ...

  7. Specific weight - Wikipedia

    en.wikipedia.org/wiki/Specific_weight

    The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma), is a volume-specific quantity defined as the weight W divided by the volume V of a material: = / Equivalently, it may also be formulated as the product of density, ρ, and gravity acceleration, g: = Its unit of measurement in the International System of Units (SI) is newton per cubic metre (N/m 3), with ...

  8. 10.4 cm Feldkanone M. 15 - Wikipedia

    en.wikipedia.org/wiki/10.4_cm_Feldkanone_M._15

    The 10.4 cm Feldkanone M. 15 was a heavy field gun used by Austria-Hungary in World War I. [3] It was derived from the successful 15 cm schwere Feldhaubitze M 14 modified to fire high-velocity 104-mm projectiles. The 10.4 cm Feldkanone M.15 served the same role for the Austro-Hungarian Army as the 10 cm K 14 gun did for the Germans, but was 3 ...

  9. Matrix (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Matrix_(mathematics)

    Matrix (mathematics) An m × n matrix: the m rows are horizontal and the n columns are vertical. Each element of a matrix is often denoted by a variable with two subscripts. For example, a2,1 represents the element at the second row and first column of the matrix. In mathematics, a matrix (pl.: matrices) is a rectangular array or table of ...