Penjelasan:
a. panjang gelombang
banyak gelombang = 2 gelombang
2 . λ = 5 m
λ = 5 m/2
λ = 2,5 m
b. frekuensi gelombang
cari periode gelombang :
2 . T = 0,01 s
T = 0,01 s/2
T = 0,005 s
f = 1/T
f = 1/0,005
f = 200 Hz
c. cepat rambat gelombang
v = λ . f
v = 2,5 . 200
v = 500 m/s
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Penjelasan:
a. panjang gelombang
banyak gelombang = 2 gelombang
2 . λ = 5 m
λ = 5 m/2
λ = 2,5 m
b. frekuensi gelombang
cari periode gelombang :
2 . T = 0,01 s
T = 0,01 s/2
T = 0,005 s
f = 1/T
f = 1/0,005
f = 200 Hz
c. cepat rambat gelombang
v = λ . f
v = 2,5 . 200
v = 500 m/s