Jawabanmu

2014-01-28T18:31:42+07:00
V =  450 Hz . 0.5 m
v = 225 m/s
Jawaban paling cerdas!
2014-01-28T18:35:56+07:00
F = 450 Hz
lamda / panjang gelombang = 50 cm,ubah ke meter dulu = 0,5 m
v..?
ingat rumus v = lamda . f = 0,5 m . 450 Hz = 225 m/s :)