A wave travelling along a string is described by, y(x,t) =0.05sin (8x-3t) in which the numerical constants are in SI units. Calculate (a) the amplitude ,(b) the wavelength, and (c) the period and frequency of the wave. Also, calculate the displacement of the wave at a distance x=20.0 cm and time t=20 s?
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Amplitude=0.05
Wavelength=pie/4
Frequency=3/2pie
Time period=2pie/3
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