Respostas

2014-05-19T03:14:33-03:00
\mu= \frac{m}{V}

m = massa
\mu = massa especifica = 3
V = volume 

Volume = area da base * altura 
V=12*6\\\\V=72cm^3

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\mu= \frac{m}{V}\\\\\ 3= \frac{m}{72}\\\\3*72=m\\\\216=m

massa do liquido = 216 g

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