The root mean square (rms) value of a function, (x(t)), is defined as the square root of

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The root mean square (rms) value of a function, \(x(t)\), is defined as the square root of the average of the squared value of \(x(t)\) over a time period \(\tau\) :

\[x_{\mathrm{rms}}=\sqrt{\frac{1}{\tau} \int_{0}^{\tau}[x(t)]^{2} d t}\]

Using this definition, find the rms value of the function

\[x(t)=X \sin \omega t=X \sin \frac{2 \pi t}{\tau}\]

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Mechanical Vibrations

ISBN: 9780134361925

6th Edition

Authors: Singiresu S Rao

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