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Math Formula Information

Formula: ${\displaystyle \psi (x,t)=A\cos(kx-\omega t+\varphi )}$

Name: spherical pendulum

Description: physical system consisting of a mass moving on the surface of a frictionless sphere in a uniform gravitational field

Elements of the Formula

linear strain	${\displaystyle \psi }$	relative change of length with respect the original length
amplitude	${\displaystyle A}$	physical quantity; (of a periodic variable) measure of its change over a single period (such as time or spatial period)
wavenumber	${\displaystyle k}$	inverse of the wavelength
physical location	${\displaystyle x}$	position of something in space
angular velocity	${\displaystyle \omega }$	physical quantity defined as the rate of change of angular position whose direction is (if regarded as a vector) the axis of rotation
time	${\displaystyle t}$	dimension in which events can be ordered from the past through the present into the future
phase	${\displaystyle \varphi }$	position of a point in time (an instant) on a waveform cycle

Data Source

https://www.wikidata.org/Special:EntityPage/Q3299367