April 2021 2 37 Report

1. Suatu gelombang memiliki cepat rambat
180 m/s dan frekuensi 45 Hz. Panjang gelombang
tersebut sebesar ....
a.0,25 m
b.2 m
c.4 m
d.5 m

mohon bantuan beserta caranya kakak²

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