Jawabanmu

2014-04-23T15:44:55+07:00
Cepat rambat gel=panjang 1gel penuh/waktu 8+8=16/2=8
Jawaban paling cerdas!
2014-04-23T16:43:29+07:00
Kecepatan(v)= lamda(l) : waktu(t)
v = l : t
v = 16 m : 2 second
v = 8 m/second

HOPEFULLY HELPS
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