Chemistry

Problem

A uniform solid iron rod is a cylinder of radius

1.0\,\text{cm}

and length

10\,\text{cm}

. It weighs

2.0\,\text{N}

in air. Taking

g = 9.8\,\text{m}\,\text{s}^{-2}

, determine the density of iron in

\text{kg}\,\text{m}^{-3}