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Verified answer
GELOMBANGGelombang P
periode
8 T = 4 s
T = ½ s
panjang gelombang
4 λ = 100 cm
λ = 25 cm
kecepatan rambat
v = λ / T
v = (25 cm) / (½ s) = 50 cm/s
gelombang Q
periode
4 T = 4 s
T = 1 s
panjang gelombang
2 λ = 100 cm
λ = 50 cm
kecepatan rambat
v = λ / T
v = (50 cm) / (1 s) = 50 cm/s
Perbandingan cepat rambat gelombang P dengan Q adalah 50 cm/s : 50 cm/s = 1 : 1. ✔️