Question

A copper cube has a mass of 87.2g. Find the length of one edge of the cube.

Answer #1

Density of copper = 8.92 gm/cm^{3}

mass of copper = 87.2gm

volume of copper = mass/density

= 87.2/8.92 = 9.77cm^{3}

edgelength a^{3} = v

a = V^{1/3}

= (9.77)^{1/3} = 2.13 cm

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