Jawaban:
B
Penjelasan:
T = 1,5 s (diketahui soal)
Landa = 12x2 = 24 cm
V = landa/T = 24/1,5 = 16 cm/s
Gelombang dalam 2 menit:
2 menit = 120 s
16 x 120 = 1920 cm
1920/24 = 80 gelombang
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Jawaban:
B
Penjelasan:
T = 1,5 s (diketahui soal)
Landa = 12x2 = 24 cm
V = landa/T = 24/1,5 = 16 cm/s
Gelombang dalam 2 menit:
2 menit = 120 s
16 x 120 = 1920 cm
1920/24 = 80 gelombang