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T = 32sekon
λ= 40 m
v= λ / T
= 40/32
= 1,25m/s
t = 80 s
n = 2,5
dua dasar gelombang yg berdekatan = λ = 40 m
Ditanyakan : v ?
Dijawab :
Frekuensi :
T = t/n = 80/2,5 = 32 s
Cepat rambat gelombang :
v = λ/s
= 40/32
= 1,25 m/s