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A standing wave is the result of superposition of two harmonic waves given by the equations y1 (x, t) =
A sin(wt – kæ) and y2(x, t) = A sin(wt + kæ). The angular frequency is w = 37 rad/s and the k = 27
rad/m is the wave number.
(a) Give an expression for the amplitude of standing wave.
(b) Determine the frequency.
(c) Determine the wavelength of the wave

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