Question

Gabus turun naik selama 5 kali dalam waktu 2 detik. cepat rambat gelombang tersebut adalah...

Answer 1

F=n/t
=5/2
= 2.5

v=s/t
=2.4×2.5
=6m/s

sorry klo salah

Answer 2

N = 5
t = 2 s

lamda = x/n
lamda = 240/1,5
lamda = 160

v = lamda x f
v = lamda x n/t
v = 160 x 5/2
v = 400