A copper cube has a mass of 87.2g. Find the length of one edge of the cube.
Density of copper = 8.92 gm/cm3
mass of copper = 87.2gm
volume of copper = mass/density
= 87.2/8.92 = 9.77cm3
edgelength a3 = v
a = V1/3
= (9.77)1/3 = 2.13 cm
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