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  2. Oscillation - Wikipedia

    en.wikipedia.org/wiki/Oscillation

    In physics, a system with a set of conservative forces and an equilibrium point can be approximated as a harmonic oscillator near equilibrium. An example of this is the Lennard-Jones potential , where the potential is given by: U ( r ) = U 0 [ ( r 0 r ) 12 − ( r 0 r ) 6 ] {\displaystyle U(r)=U_{0}\left[\left({\frac {r_{0}}{r}}\right)^{12 ...

  3. Transverse wave - Wikipedia

    en.wikipedia.org/wiki/Transverse_wave

    Transverse waves are contrasted with longitudinal waves, where the oscillations occur in the direction of the wave. The standard example of a longitudinal wave is a sound wave or "pressure wave" in gases, liquids, or solids, whose oscillations cause compression and expansion of the material through which the wave is propagating. Pressure waves ...

  4. Electromagnetic radiation - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_radiation

    In physics, electromagnetic radiation (EMR) consists of waves of the electromagnetic (EM) field, which propagate through space and carry momentum and electromagnetic radiant energy. [1] [2] Classically, electromagnetic radiation consists of electromagnetic waves, which are synchronized oscillations of electric and magnetic fields.

  5. Electronic oscillator - Wikipedia

    en.wikipedia.org/wiki/Electronic_oscillator

    Simple relaxation oscillator made by feeding back an inverting Schmitt trigger's output voltage through a RC network to its input.. An electronic oscillator is an electronic circuit that produces a periodic, oscillating or alternating current (AC) signal, usually a sine wave, square wave or a triangle wave, [1] [2] [3] powered by a direct current (DC) source.

  6. Phase (waves) - Wikipedia

    en.wikipedia.org/wiki/Phase_(waves)

    Coherence (physics), the quality of a wave to display a well defined phase relationship in different regions of its domain of definition Hilbert transform , a method of changing phase by 90° Reflection phase shift , a phase change that happens when a wave is reflected off of a boundary from fast medium to slow medium

  7. Shoppers continue indulging in Black Friday sales, but ... - AOL

    www.aol.com/shoppers-continue-indulging-black...

    It estimated shoppers will spend a record $13.2 billion, up 6.1% year-over-year. Shopify, an e-commerce site, reported that it set a new record for its Black Friday sales, which reached $5 billion ...

  8. Wave - Wikipedia

    en.wikipedia.org/wiki/Wave

    The analytical solution of SV-wave in a half-space indicates that the plane SV wave reflects back to the domain as a P and SV waves, leaving out special cases. The angle of the reflected SV wave is identical to the incidence wave, while the angle of the reflected P wave is greater than the SV wave.

  9. Mortgage and refinance rates for Nov. 14, 2024: Average rates ...

    www.aol.com/finance/mortgage-and-refinance-rates...

    The current average rate for a 30-year fixed mortgage is 6.88% for purchase and 6.90% for refinance — down 1 basis point from 6.89% for purchase and 3 basis points from 6.93% for refinance last ...

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