n = 1 ¼ gelombang
f = 2 Hz
v = 400 m/s
s ?
t = n / f
t = 1¼ / 2
t = ⅝ sekon
s = v. t
s = 400. ⅝
s = 250 meter ✔️
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diketahui
n = 1 ¼ gelombang
f = 2 Hz
v = 400 m/s
ditanya
s ?
jawab
t = n / f
t = 1¼ / 2
t = ⅝ sekon
s = v. t
s = 400. ⅝
s = 250 meter ✔️
__________________.