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The U.S. state of Massachusetts has 14 counties, though eight [1] of these fourteen county governments were abolished between 1997 and 2000. The counties in the southeastern portion of the state retain county-level local government (Barnstable, Bristol, Dukes, Norfolk, Plymouth) or, in one case, ( Nantucket County) consolidated city-county ...
Effective mass (solid-state physics) In solid state physics, a particle's effective mass (often denoted ) is the mass that it seems to have when responding to forces, or the mass that it seems to have when interacting with other identical particles in a thermal distribution. One of the results from the band theory of solids is that the movement ...
The Massachusetts Lottery was established on September 27, 1971, following the legalization of gambling by the Massachusetts General Court, the legislature of the Commonwealth. The Lottery is administered by the Massachusetts State Lottery Commission. It is a member of the North American Association of State and Provincial Lotteries (NASPL ...
In physics, the Gell-Mann–Okubo mass formula provides a sum rule for the masses of hadrons within a specific multiplet, determined by their isospin ( I) and strangeness (or alternatively, hypercharge ) where a0, a1, and a2 are free parameters . The rule was first formulated by Murray Gell-Mann in 1961 [1] and independently proposed by Susumu ...
g/mol. Dimension. M N−1. In chemistry, the molar mass (or molecular weight) ( M) of a chemical compound is defined as the ratio between the mass and the amount of substance (measured in moles) of any sample of the compound. [1] The molar mass is a bulk, not molecular, property of a substance. The molar mass is an average of many instances of ...
The flag of the Commonwealth of Massachusetts displays, on both sides, the state coat of arms on a white field. The shield is meant to depict an Algonquian Native American with bow and arrow; the arrow is pointed downward, signifying peace. However, the face of the figure is modelled on a photo of Ojibwe chief Thomas Little Shell. [3]
Missa Papae Marcelli, or Pope Marcellus Mass, is a mass sine nomine by Giovanni Pierluigi da Palestrina. It is his best-known mass, [1] [2] and is regarded as an archetypal example of the complex polyphony championed by Palestrina. It was sung at the papal coronation Masses (the last being the coronation of Paul VI in 1963). [citation needed]
Invariant mass. The invariant mass, rest mass, intrinsic mass, proper mass, or in the case of bound systems simply mass, is the portion of the total mass of an object or system of objects that is independent of the overall motion of the system. More precisely, it is a characteristic of the system's total energy and momentum that is the same in ...