A steel rail has density

PHYSICS · Subjective · CBSE · Physics · Waves · Waves

Problem

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

. For steel,

Y = 2.0\times10^{11}\,\text{Pa}

and

B = 1.6\times10^{11}\,\text{Pa}

. Calculate the speed of longitudinal sound waves along the rail, correct to two significant figures.