Jawabanmu

Jawaban paling cerdas!
2014-03-26T20:24:08+07:00
Diket

r = 3x10 [3] mm = 3m
ro B =  500 kg/m3   g = 10 m/s2
ro F = 1000 kg/m3  miu(kec Visko) = 500
Ditanya , Vt .. 

Jawab
Vt = 2/9 r2.g/miu . (ro B - ro F)
Vt = 2/9 9 10/500 (1000 - 500)
Vt = 2 . 10
Vt =    20 m/s  
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