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A string of mass m is fixed at both ends...

A string of mass `m` is fixed at both ends. The fundamental tone oscillations are excited with circular frequency `omega` and maximum displacement amplitude `a_(max)` . Find `:`
`(a)` the maximum kinetic energy of the string,
`(b)` the mean kinetic energy of the string averaged over one oscillation period.

Text Solution

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`(pi^(2)t^(2)mA^(2))/(2)`
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