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t = 2 s
n = 5
v = 200 m/s
Ditanya:
Panjang gelombang (lamda)
Jawab :
v = lamda. f
v = lamda. n/t
200 = lamda. 5/2
Lamda = 200.2/5
Lamda = 80 m
Mohon periksa kembali jawaban saya :)