v = r³ = 5³ = 125cm³
rho = m/v
rho = 500/125 = 4g/cm³
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rusuk kubus = 5 cm
m = 500 gram
dit : ρ ?
dijawab :
V = rusuk³
= 5³
= 125 cm³
jadi massa jenis :
ρ = m/V
= 500 / 125
= 4 gr/cm³
v = r³ = 5³ = 125cm³
rho = m/v
rho = 500/125 = 4g/cm³