2,25λ = 45 cm
λ = 20 cm = 0,2 m
2,5T = 5 s
T = 2 s
Cepat rambat
v = λ/T
v = 0,2/2 = 0,1 m/s
Jawaban. A
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2,25λ = 45 cm
λ = 20 cm = 0,2 m
2,5T = 5 s
T = 2 s
Cepat rambat
v = λ/T
v = 0,2/2 = 0,1 m/s
Jawaban. A