reduced mass
41Planck mass — The Planck mass is the unit of mass, denoted by m P, in the system of natural units known as Planck units. Named after Max Planck, it is the mass for which the Schwarzschild radius is equal to the Compton length divided by π.:m P = sqrtfrac{hbar… …
42Pakistan and weapons of mass destruction — Pakistan Nuclear program start date January 20, 1972 First nuclear weapon test May 28, 1998 First fusion weap …
43Champaign-Urbana Mass Transit District — Illinois Terminal, transit hub for Champaign Service area …
44Misogyny and mass media — Misogyny is the hatred or dislike of females. Examples of misogyny exist in many published forms, within multiple cultures, such as the Qur an, the Bible, and other well observed works.[1][2] Technological advances in the modern era have… …
45Fuel mass fraction — In combustion physics, fuel mass fraction is the ratio of fuel mass flow to the total mass flow of a fuel mixture. If an air flow is fuel free, the fuel mass fraction is zero; in pure fuel without trapped gases, the ratio is unity. [cite book |… …
46Safety on Singapore Mass Rapid Transit — The safety of the Mass Rapid Transit system in Singapore was questioned by the public after several accidents on the system during the 1980s and 1990s. Most problems have been addressed, and many safety measures are visible to users of the system …
47Poland and weapons of mass destruction — During the Cold War, Poland had active programs for the development of weapons of mass destruction. Poland was also working with Russia to help eliminate the large stockpiles of chemical and biological weapons developed by the Warsaw Pact… …
48United Kingdom and weapons of mass destruction — The United Kingdom is one of the five official nuclear weapon states under the Nuclear Non Proliferation Treaty and has an independent nuclear deterrent. The United Kingdom renounced the use of chemical and biological weapons in 1956 and… …
49приведенная масса механизма — reduced mass of a mechanism Масса, которую надо сосредоточить в данной точке механизма (точке приведения), чтобы кинетическая энергия этой материальной точки равнялась сумме кинетических энергий всех звеньев механизма. Шифр IFToMM: 3.7.6 Раздел:… …
50Gravitational two-body problem — The gravitational two body problem concerns the motion of two point particles that interact only with each other, due to gravity. This means that influences from any third body are neglected. For approximate results that is often suitable. It… …
