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Verified answer
Mapel : FisikaKelas : 8 Smp
Bab : Gelombang Dan Bunyi
Penyelesaian
Dik : f = 40 Hz
λ = 1 m
Dit : v
Jawab :
v = λ x f
= 1 m x 40 Hz
= 40 m/s
Jadi cepat rambat gelombang adalah 40 m/s
Keterangan
v = cepat rambat gelombang ( m/s )
λ = panjang Gelombang ( m )
f = frekuensi gelombang ( Hz )