Jawaban:
v = 30 m/s
Penjelasan:
Persamaan umum gelombang berjalan :
y = A sin (wt - kx)
Jika melihat dari soal maka :
A = 0,2 m
w = 120π >>>> 2πf = 120π
f = 60 Hz
k = 4π >>>>> 2π/λ = 4π
1/2 m = λ
0,5 m = λ
Maka, cepat rambat gelombang :
v = λf = (0,5)(60) = 30 m/s
Semoga membantu... maaf kalo salah
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Jawaban:
v = 30 m/s
Penjelasan:
Persamaan umum gelombang berjalan :
y = A sin (wt - kx)
Jika melihat dari soal maka :
A = 0,2 m
w = 120π >>>> 2πf = 120π
f = 60 Hz
k = 4π >>>>> 2π/λ = 4π
1/2 m = λ
0,5 m = λ
Maka, cepat rambat gelombang :
v = λf = (0,5)(60) = 30 m/s
Semoga membantu... maaf kalo salah