jwb
panjang gelombang = 10 m
waktu = 30 menit (1.800 detik)
v = λ / t
= 10 m : 1.800 detik
= 0.00556 m/detik
cepat rambat gelombang = 0.00556 m/detik
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jwb
panjang gelombang = 10 m
waktu = 30 menit (1.800 detik)
v = λ / t
= 10 m : 1.800 detik
= 0.00556 m/detik
cepat rambat gelombang = 0.00556 m/detik