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Verified answer
Materi : GelombangDiketahui :
lamda 1 = 10 cm
lamda 2 = 15 cm
v1 = 0,9 m/s
v2 = ?
Penyelesaian :
v = lamda. f
f = v/lamda
v1/lamda1 = v2/lamda2
0,9/10 = v2/15
10v2 = 13,5
v2 = 1,35 m/s
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