Physics

Problem

A solid right-circular cylinder has a measured mass of

190\pm 2\,\text{g}

, a radius of

1.50\pm 0.05\,\text{cm}

, and a height of

10.0\pm 0.1\,\text{cm}

. Using these measurements, a student calculates the density of the material and its uncertainty. Given the following candidate materials and their tabulated densities, which material is most consistent with the experimental result? • Magnesium

\;(1.7\,\text{g/cm}^3)

• Aluminum

\;(2.7\,\text{g/cm}^3)

• Steel

\;(7.9\,\text{g/cm}^3)

• Lead

\;(11.3\,\text{g/cm}^3)

a) Lead b) Aluminum c) Magnesium d) Steel

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