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Gelombang Bunyi16.]
Langsung saja , A = 15 cm
λ = 3 ÷ 2 = 1,5 m
T = 0,5 s
f = 1/T = 1/0,5 = 2 Hz
v = λ f
= 1,5 × 2 = 3 m/s
Jawaban : D
17.] brainly.co.id/tugas/13793659