λ = (2/3) x 60 cm = 40 cm
f = n/t = 1/0,8 = 1,25 Hz = 1,25 /s
v = λ x f = (40 cm) x (1,25 Hz) = 50 cm/s
Jawaban D
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λ = (2/3) x 60 cm = 40 cm
f = n/t = 1/0,8 = 1,25 Hz = 1,25 /s
v = λ x f = (40 cm) x (1,25 Hz) = 50 cm/s
Jawaban D