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16.07.2020 •
Physics
Consider the waveform expression. y(x,t)=ymsin(2.39+693t+0.197x) The transverse displacement ( y ) of a wave is given as a function of position ( x in meters) and time ( t in seconds) by the expression. Determine the wavelength, frequency, period, and phase constant of this waveform.
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Ответ:
- λ = 31.89
- f = 110.29Hz
- Ф = 2.39
Explanation:
You have the following waveform expression:
The general expression for a wave can be written as:
The sign of the term wt determines the direction of the motion of the wave.
In comparison with the equation (1) you have:
k: wavenumber = 0.197
w: angular frequency = 693
Ф: phase constant of the wave = 2.39
- The wavelength of the wave is given by the following formula:
The wavelength of the wave is 31.89m
- The frequency is:
The frequency of the wave is 110.29Hz
- The phase constant is 2.39
Ответ:
24 km
Explanation:
8*3 = 24