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Verified answer
KELAS = 11PELAJARAN = FISIKA
KATEGORI = Gelombang
KATA KUNCI = kecepatan, periode, frekuensi
PEMBAHASAN
Diketahui :
v = 15 m/s
jarak antar 3 puncak = 6 m
Ditanyakan : panjang gelombang, periode dan frekuensi
Dijawab :
Jarak 3 puncak = 2 gelombang = 6 m
panjang gelombang :
2λ = 6 m
λ = 6 /2
λ = 3 m
Periode :
v = λ/T
T = λ/v
= 3/15
= 1/3
Frekuensi
f = 1/T
= 1/ 1/3
= 3 Hz