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A piano string having a mass per unit length equal to 5.00 X 10-3 kg/m is...

A piano string having a mass per unit length equal to 5.00 X 10-3 kg/m is under a tension of 1 350 N. Find he speed with which a wave travels on this string.
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apply speed in a string \(\mathrm{V}^{\wedge} 2=\mathrm{T} / \mathrm{u}\)

where \(\mathrm{T}\) is tension and \(\mathrm{u}\) is mass per unit length

so \(\mathrm{V}^{\wedge} 2=1350 /(0.005)\)

\(\mathrm{V}^{\wedge} 2=270000\)

\(\mathrm{V}=519.615 \mathrm{~m} / \mathrm{s}\)

answered by: Dr. R
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