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  2. List of common physics notations - Wikipedia

    en.wikipedia.org/wiki/List_of_common_physics...

    Cartesian z-axis basis unit vector unitless angular momentum: newton meter second (N⋅m⋅s or kg⋅m 2 ⋅s −1) inductance: henry (H) luminosity: watt (W) Lagrangian: joule (J) Lagrangian density: joule per cubic meter (J/m 3) length: meter (m) ℓ

  3. Zero-point energy - Wikipedia

    en.wikipedia.org/wiki/Zero-point_energy

    Without the free field E 0 (t) in this equation the operator x(t) would be exponentially dampened, and commutators like [z(t),p z (t)] would approach zero for t ≫ ⁠ 1 / τω 2 0 ⁠. With the vacuum field included, however, the commutator is iħ at all times, as required by unitarity, and as we have just shown. A similar result is easily ...

  4. Wikipedia : Vital articles/Level/5/Physical sciences/Physics

    en.wikipedia.org/.../5/Physical_sciences/Physics

    Vital articles is a list of subjects for which Wikipedia should have corresponding high-quality articles. It serves as a centralized watchlist to track the status of Wikipedia's most essential articles.

  5. Simple harmonic motion - Wikipedia

    en.wikipedia.org/wiki/Simple_harmonic_motion

    In mechanics and physics, simple harmonic motion (sometimes abbreviated as SHM) is a special type of periodic motion an object experiences by means of a restoring force whose magnitude is directly proportional to the distance of the object from an equilibrium position and acts towards the equilibrium position.

  6. Outline of physics - Wikipedia

    en.wikipedia.org/wiki/Outline_of_physics

    Physics – branch of science that studies matter [9] and its motion through space and time, along with related concepts such as energy and force. [10] Physics is one of the "fundamental sciences" because the other natural sciences (like biology, geology etc.) deal with systems that seem to obey the laws of physics. According to physics, the ...

  7. Advancing Physics - Wikipedia

    en.wikipedia.org/wiki/Advancing_Physics

    Advancing Physics is an A-level physics course examined by OCR which was developed in association with the Institute of Physics (IOP) with assessment through written examinations and teacher-assessed coursework. It may also be referred to Physics 'B' to distinguish it from OCR's other A-Level Physics course.

  8. Pinch (plasma physics) - Wikipedia

    en.wikipedia.org/wiki/Pinch_(plasma_physics)

    W B z is the self-consistent B z energy per unit length; W E z is the self-consistent E z energy per unit length; W k is thermokinetic energy per unit length; I(a) is the axial current inside the radius a (r in diagram) N(a) is the total number of particles per unit length; E r is the radial electric field; E φ is the rotational electric field

  9. W and Z bosons - Wikipedia

    en.wikipedia.org/wiki/W_and_Z_bosons

    Z particle", [4] and later gave the explanation that it was the last additional particle needed by the model. The W bosons had already been named, and the Z bosons were named for having zero electric charge. [5] The two W bosons are verified mediators of neutrino absorption and emission. During these processes, the W ±

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