Jawaban:
panjang gelombang = 1 lembah + 1 puncak = 2 x 7,5 cm = 15 cm
T = 0,8 - 0,4 = 0,4 s
f = 1/T = 1/0,4 = 2,5 Hz
*maaf klo salah
*biasakan cari jawaban lain utk dibandingkan
Penjelasan:
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Jawaban:
panjang gelombang = 1 lembah + 1 puncak = 2 x 7,5 cm = 15 cm
T = 0,8 - 0,4 = 0,4 s
f = 1/T = 1/0,4 = 2,5 Hz
*maaf klo salah
*biasakan cari jawaban lain utk dibandingkan
Penjelasan: