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λ = 2,8 m
v = 350 m/s
dit : f ?
maka :
f = v/λ
= 350/2,8
= 125 Hz
V= 350 m/s
dit : f=?
peny : f= V/ lambda
f= 350 m/s.2,8 m
=125 Hz
(tau simbol lambda kan?)