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t=2 s
dit=f...........?
pembahasan
f=
f=
f=50 Hz
b=dik=n=100 gelombang
t=2 s
dit=T
pembahasan
T=
T=
T=0,02 S
c=dik=v=60 m/s
T=0,02
dit=lamda
pembahasan
lamda=v·T
lamda=60·0,02
lamda=1.2 m
maaf kalo salah soory