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t = 2s
n = 2
A = 60cm ->0,6m
Persamaan gelombang.?
y = A sin (wt - kx)
w = 2πf
k = 2π / λ
f = n/t
f = 2/2
f = 1 Hz
v = s/t
v= λ.f
s/t = λ.f
1/2 = λ.1
λ = 0,5
K = 2π/0,5
K = 4π
Y = 0,6 sin (2πt - 4πx)
Y = 0,6 sin2π(t-2x) m