Jawabanmu

2014-04-07T22:10:21+07:00
Peny:
FA = W – W'
1000.10V= 25 – 15
V = 10-3 m3
pk = m/v = 2,5 / 10-3
= 2,5.10-3 kg/m3

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Jawaban paling cerdas!
2014-04-07T22:15:54+07:00
Wf = Wu - Fa
15 = 25 - Fa
Fa = 25 - 15
1000x10V = 10
            V = 1/1000 = 10^-3

ro = m =   2,5   = 2500 kg/m³
       v      10^-3
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