In this video david shows how to determine the equation of a wave how that equation works and what the equation represents created by david santopietro w. The above example illustrates how to use the wave equation to solve mathematical problems it also illustrates the principle that wave speed is dependent upon medium properties and independent of wave properties even though the wave speed is calculated by multiplying wavelength by frequency an alteration in wavelength does not affect wave speed. A wave can be longitudinal where the oscillations are parallel or antiparallel to the propagation direction or transverse where the oscillations are perpendicular to the propagation direction these oscillations are characterized by a periodically time varying displacement in the parallel or perpendicular direction and so the instantaneous velocity and acceleration are also periodic and . Wave period and wave speed the time period of a wave can be calculated using the equation this is when the period t is measured in seconds sfrequency f is measured in hertz hzexample
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