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In particle physics, the electron mass (symbol: m e) is the mass of a stationary electron, also known as the invariant mass of the electron. It is one of the fundamental constants of physics . It has a value of about 9.109 × 10 −31 kilograms or about 5.486 × 10 −4 daltons , which has an energy-equivalent of about 8.187 × 10 −14 joules ...
The Massachusetts Department of Environmental Protection [1] is an agency in the Executive Office of Energy and Environmental Affairs of the Commonwealth of Massachusetts, responsible for protecting the environment in the state. [2] Its areas of responsibility include preventing pollution of air, water, and ground; [3] protecting wetlands ...
Mass wasting is a general term for any process of erosion that is driven by gravity and in which the transported soil and rock is not entrained in a moving medium, such as water, wind, or ice. [2] The presence of water usually aids mass wasting, but the water is not abundant enough to be regarded as a transporting medium.
Mass attenuation coefficients of selected elements for X-ray photons with energies up to 250 keV. The mass attenuation coefficient, or mass narrow beam attenuation coefficient of a material is the attenuation coefficient normalized by the density of the material; that is, the attenuation per unit mass (rather than per unit of distance).
Mass (formally: MASS: A Theatre Piece for Singers, Players, and Dancers) is a musical theatre work composed by Leonard Bernstein with text by Bernstein and additional text and lyrics by Stephen Schwartz. Commissioned by Jacqueline Kennedy, it premiered on September 8, 1971, conducted by Maurice Peress and choreographed by Alvin Ailey. [1]
Massachusetts is the 7th smallest state in the United States with an area of 10,555 square miles (27,340 km 2 ). [1] It is bordered to the north by New Hampshire and Vermont, to the west by New York, to the south by Connecticut and Rhode Island, and to the east by the Atlantic Ocean and Gulf of Maine. Massachusetts is the most populous New ...
Massachusetts is the second wealthiest state in the United States of America, with a median household income of $89,026 (as of 2021), [1] and a per capita income of $48,617 (as of 2021). [2] Many of the state's wealthiest towns are located in the Boston suburbs. This area includes a high concentration of wealthy cities and towns just to the ...
The 2022 Massachusetts gubernatorial election was held on November 8, 2022, to elect the governor of Massachusetts. Republican former state representative Geoff Diehl , Democratic state attorney general Maura Healey , and Libertarian Kevin Reed sought to succeed incumbent governor Charlie Baker , who did not seek re-election after two terms.