The mass of a 30 cm cube of iron block is 240 gm . Find the density of iron -------
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Volume(V) of iron = (0.3m)^3=2.7*10^-3 m^3
Mass of iron(M) = 2.4*10^-3 Kg
Now ,
Density of iron = M/V
= 2.4*10^-3Kg/2.7*10^-3m^3
= 0.888 Kg/m^3
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