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= 0,25 m . 35 Hz
= 8,75 m/s
T = 1/f
= 1 / 35 Hz
= 0,0285 s
f = 35 Hz
λ = 0,25 m
Dit:
a. T..?
b. v...?
jawab:
a. T = 1/f
T = 1/35 0,028 s
,
T =
b. v = λ f
v = 0,25 x 35
v = 8,75 m/s