In a laboratory

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

In a laboratory, the speed of a longitudinal sound wave along a steel wire is found to be

5.0\times10^{3}\,\text{m\,s}^{-1}

. If the density of steel is

7.8\times10^{3}\,\text{kg\,m}^{-3}

, calculate the Young’s modulus of the steel wire.