October 2018 1 18 Report
1. getaran dari A-B-C-B-A-B-C
memerlukan waktu ½ detik.hitunglah.
a.jumlah getaran
b.periode getaran.

2. bila dari A - D. (foto di bawah!)
waktunya 2 dtk
hitunglah :
a. panjang gelombang
b. frekuensi gelmbang
c. cepat rambat glmbang

jawab ya..
please! bsok di kumpulnyaa

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