Jawabanmu

2014-04-25T16:38:41+07:00
Diket = v = 340 m/s
f = 20 Hz dan 20.000 Hz
ditanya= panjang gelombang/lamda (α)
jawab
v = α . f
α = v/f

α terpendek= 340/20000
= 0,017
α terpanjang= 340/20
= 17
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