Penjelasan:
dari gambar dapat dihitung:
16. n = 1½ gelombang
A = 2 cm
17. T = 2,25 / 1½ = 1,5 s
18. lamda = 2×12cm = 24 cm atau 0,24 m
19. V = lamda /T = 24 / 1,5 = 16 cm/s
20. n = t/T = (5×60)/1,5
= 300/1,5 = 200 gelombang
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Penjelasan:
dari gambar dapat dihitung:
16. n = 1½ gelombang
A = 2 cm
17. T = 2,25 / 1½ = 1,5 s
18. lamda = 2×12cm = 24 cm atau 0,24 m
19. V = lamda /T = 24 / 1,5 = 16 cm/s
20. n = t/T = (5×60)/1,5
= 300/1,5 = 200 gelombang