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λ = 1/2 λ
λ = 16 m
t = 0,04 s
setengah panjang gelombang, n = 0,5 gelombang
ditanya: v?
jawab:
λ = 1/2 λ
λ = 1/2 x 16 = 8 m
T = t/n = 0,04/0,5 = 0.08 s
maka:
v = λ/T
v = 8/0,08 = 100 m/s