3,5.λ = 70 cm
λ = 20 cm = 0,2 m
2T = 0,2
T = 0,1 s
cepat rambat
v = λ/T = 0,2/0,1 = 2 m/s
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3,5.λ = 70 cm
λ = 20 cm = 0,2 m
2T = 0,2
T = 0,1 s
cepat rambat
v = λ/T = 0,2/0,1 = 2 m/s