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f = 600 Hz
A = 50 cm = 0,5 m
T = 1/f = 1/600
v = fλ
λ = v/f
λ = 330/600 = 0,55 m
Y = A sin [ωt - kx]
dengan
ω = 2πf = 2π/T
k = 2π/λ
Y = A sin [ 2π((1/T)t - (1/λ)x) ]
Y = 0,5 sin [2π ((1/(1/600))t - (1/0,55)x]
Y = 0,5 sin [2π (600t - x/0,55)] meter