Jawabanmu

Jawaban paling cerdas!
2014-08-17T20:42:58+07:00
T=70s s=3 1/2 lamda=7/2 lamda lamda= 60m maka.. s=7/2 lamda=7/2.60=210 v=s dibagi t . =210/70=3 m/s
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