Jawabanmu

2014-06-09T22:48:27+07:00
F = 440
lambda = 75
v = lamda.f
  = 440.75
  = 33.000

maaf kalo salah
2014-06-09T22:49:27+07:00
75cm:100=0,75m
cepat rambat=FxPanjang Gelombang
440:0,75=586,67m/s