Answer to Question #328423 in Physics for Super

Question #328423

What is the speed of sound in a helium gas at a pressure of 15000pa

Expert's answer

The speed of sound in a gas

"v_s=\\sqrt{\\gamma\\frac{P}{\\rho}}=\\sqrt{\\gamma\\frac{RT}{M}}"

At "t=0^\\circ\\rm C"

"v_s=\\sqrt{\\frac{5}{3}*\\frac{8.31*273}{4*10^{-3}}}=972\\:\\rm m\/s"

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