Calculate the speed of sound in a steel rod whose Young's modulus Y = 2 xx 10^(11) N m^(-2) and rho = 7800 kg m^(-3)

Calculate the speed of sound in a steel rod whose Young's modulus Y =

1.	Calculate the speed of sound in a steel rod whose Young's modulus Y = 2 xx 10^(11) N m^(-2) and rho = 7800 kg m^(-3)
Answer» <html><body><p></p>Solution :`<a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a> = <a href="https://interviewquestions.tuteehub.com/tag/sqrt-1223129" style="font-weight:bold;" target="_blank" title="Click to know more about SQRT">SQRT</a>((Y)/(rho)) = sqrt((2 xx 10^(11))/(7800)) = sqrt(0.2564 xx 10^(8)) = 0.506 xx 10^(4) ms^(-1) = 5 xx 10^(3) ms^(-1)` <br/> Therefore , longitudinal waves travel faster in a solid than in a <a href="https://interviewquestions.tuteehub.com/tag/liquid-1075124" style="font-weight:bold;" target="_blank" title="Click to know more about LIQUID">LIQUID</a> or a gas . Now you may understand why a <a href="https://interviewquestions.tuteehub.com/tag/shepherd-1205343" style="font-weight:bold;" target="_blank" title="Click to know more about SHEPHERD">SHEPHERD</a> checks before crossing railway track by keeping his ears on the rails to <a href="https://interviewquestions.tuteehub.com/tag/safeguard-1193230" style="font-weight:bold;" target="_blank" title="Click to know more about SAFEGUARD">SAFEGUARD</a> his cattle .</body></html>