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= 50 Hz . 0,2 m
= 10 m/s
V = konstan, nmaka S = V . t
t = S / V
= 400 m / 10 m/s
= 40 sec (c)
semoga membantu
= 50 Hz . 0,2 m
= 10 m/s
V = s / t
t = s / V
= 400 m / 10 m/s
= 40 sekon
jawab : C