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s = 15 m
t = 10 s
Dit : λ , f dan v ?
Jwb :
λ = s / n
= 15 / 5 = 3 m
f = n / t
= 5 / 10 s
= 0,5 Hz
v = f.λ
= 0,5 Hz . 3 m
= 1,5 m/s
f = v / λ
= 1,5 m/s / 3 m
= 0,5 Hz
λ = v / f
= 1,5 m/s / 0,5 Hz
= 3 m
maaf ya kalau salah