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n = 1
Ditanya = f..?
Jawab = f = Hz
15) Diketahui = f = 400 Hz
lamda = 50 cm ⇒ 0,5 m
Ditanya = v..?
Jawab = v = lamda.f = 400 x 0,5 = 200 m/s
n=1
t=2 s
dit:
f=...?
jawab:
f=n/t
f=1/2s
f=0.5hz
15. dik:
f=400hz
λ=50cm⇒0.5 m
dit:
v=...?
jawab:
T=1/f
T=1/400hz
T=0.0025 s
v=λ/T
v=0.5m/0.0025s
v=200m/s
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