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Cartesian z-axis basis unit vector unitless angular momentum: newton meter second (N⋅m⋅s or kg⋅m 2 ⋅s −1) inductance: henry (H) luminosity: watt (W) Lagrangian: joule (J) Lagrangian density: joule per cubic meter (J/m 3) length: meter (m) ℓ
The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be universal in nature and thus are independent of the unit system in which they are measured.
The conventional symbol Z comes from the German word Zahl 'number', which, before the modern synthesis of ideas from chemistry and physics, merely denoted an element's numerical place in the periodic table, whose order was then approximately, but not completely, consistent with the order of the elements by atomic weights.
atomic number (Z) The number of protons found in the nucleus of an atom. It is most often used to classify elements within the periodic table. atomic orbital atomic packing factor atomic physics A branch of physics that studies atoms as isolated systems of electrons and an atomic nucleus. Compare nuclear physics. atomic structure atomic weight (A)
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Z: Resistance to an alternating current of a given frequency, including effect on phase ohm (Ω) L 2 M T −3 I −2: complex scalar Inductance: L: 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 ...
"Those most at risk for severe foodborne illness include children under 5, pregnant women, older adults and people with weakened immune systems," says Bellows. How long does food poisoning last?