Sebatang tembaga volumenya 15cm kubik . Bila rapat massa tembaga tsb 8,9 g/cm kubik berapakah
a.massa batang tembaga
b.berat jenis tembaga
a.massa batang tembaga
b.berat jenis tembaga
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m = ρ * V
m = 8,9 * 15 = 133,5 g = 0,1335 kg
b) berat jenis
S = ρ * g
S = 8900 * 10 = 89.000 N/m³