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maka,jumlah getaran selama 10 s = 10/0.5 = 20 getaran (B)
23. Diket =
landa = 320 cm
T = 2 s
Ditanya = v?
Jawab =
v = landa /T
= 320/2 = 160 cm/s (B)
16. B
Jadika, Jawaban Terbaik ;)