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The energy that a physical body possesses due to its motion, defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. The body continues to maintain this kinetic energy unless its velocity changes. Contrast potential energy. Kirchhoff's circuit laws. Also called Kirchhoff's rules or simply Kirchhoff's laws.
Energy gives rise to weight when it is trapped in a system with zero momentum, where it can be weighed. It is also equivalent to mass, and this mass is always associated with it. Mass is also equivalent to a certain amount of energy, and likewise always appears associated with it, as described in mass–energy equivalence.
Primary energy, energy contained in raw fuels and any other forms of energy received by a system as input to the system. Radiant energy, energy that is transported by waves; Rotational energy, part of an object's total kinetic energy due to its rotation; Solar radiation, radiant energy emitted by the sun, particularly electromagnetic energy
Scientists found quantum edge states in ultracold sodium atoms, possibly leading to highly efficient energy systems with minimal loss.
Yes, NIF produced 3.15 million joules of fusion energy–enough to boil 10 teapots of water–with just 2 million joules of laser energy in its watershed 2022 ignition. But applying that laser ...
Fossil fuels do not originate from dinosaur fossils. Petroleum is formed when algae and zooplankton die and sink in anoxic conditions to be buried on the ocean floor without being decomposed by aerobic bacteria, and only a tiny amount of the world's deposits of coal contain dinosaur fossils; the vast majority of coal is fossilized plant matter.
When nucleons bind together to form a nucleus, they must lose a small amount of mass, i.e. there is a change in mass to stay bound. This mass change must be released as various types of photon or other particle energy as above, according to the relation E = mc 2. Thus, after the binding energy has been removed, binding energy = mass change × c ...
Also acid ionization constant or acidity constant. A quantitative measure of the strength of an acid in solution expressed as an equilibrium constant for a chemical dissociation reaction in the context of acid-base reactions. It is often given as its base-10 cologarithm, p K a. acid–base extraction A chemical reaction in which chemical species are separated from other acids and bases. acid ...