Jawabanmu

2014-06-03T20:54:59+07:00
B. Fa = Pc . Vbt .g
   Wu - Wc = Pc . ( \frac{m}{Pb} ) . g
   3000 - 200 = 1000 .  \frac{300}{Pb} . 10
   2800Pb = 3000000
   Pb = 1071 kg/m^3
a. Pb = Vbt/Vb . Pc
    1071 = 3,6/Vb . 1000
    1071Vb = 3600
    Vb = 3,4 m^3
    
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