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Regularization. v. t. e. In theoretical physics, the term renormalization group ( RG) refers to a formal apparatus that allows systematic investigation of the changes of a physical system as viewed at different scales. In particle physics, it reflects the changes in the underlying force laws (codified in a quantum field theory) as the energy ...
Radius of gyration. Radius of gyration or gyradius of a body about the axis of rotation is defined as the radial distance to a point which would have a moment of inertia the same as the body's actual distribution of mass, if the total mass of the body were concentrated there. The dimension of Radius of Gyration is same as distance which is [L ...
Bernoulli's equation. pconstant is the total pressure at a point on a streamline. Euler equations. ρ = fluid mass density. u is the flow velocity vector. E = total volume energy density. U = internal energy per unit mass of fluid. p = pressure. ⊗ {\displaystyle \otimes }
pc ⋅ M⊙−1 ⋅ ( km / s) 2. The gravitational constant G is a key quantity in Newton's law of universal gravitation. The gravitational constant is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton 's law of universal gravitation and in Albert Einstein 's theory of general relativity.
Froude number. In continuum mechanics, the Froude number ( Fr, after William Froude, / ˈfruːd / [1]) is a dimensionless number defined as the ratio of the flow inertia to the external force field (the latter in many applications simply due to gravity ). The Froude number is based on the speed–length ratio which he defined as: [2] [3] where ...
In fracture mechanics, a crack growth resistance curve shows the energy required for crack extension as a function of crack length in a given material. For materials that can be modeled with linear elastic fracture mechanics (LEFM), crack extension occurs when the applied energy release rate exceeds the material's resistance to crack extension ...
File sharing. FitGirl Repacks is a website distributing pirated video games. FitGirl Repacks is known for "repacking" games – compressing them significantly so they can be downloaded and shared more efficiently. [2] [3] TorrentFreak listed FitGirl Repacks at sixth in 2021 [4] and at ninth in 2020's Top 10 Most Popular Torrent Sites lists.
e. Quantum mechanics is the study of matter and its interactions with energy on the scale of atomic and subatomic particles. By contrast, classical physics explains matter and energy only on a scale familiar to human experience, including the behavior of astronomical bodies such as the moon. Classical physics is still used in much of modern ...