bantu jawab no 5 sama 6 ya

No.6
a) amplitude : 4 M
B) T = t/n = 8 / 2 = 4s
C) F = n/t = 2/8 = 1/4 Hz = 0,25 Hz
D) panjang gelombang = 2x6m = 12 M
Maka cepat rambat = panjang gelombang x F = 12 x 1/4 = 3 meter