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The first five natural frequencies of a tensioned string are given by: wi = 30 rad/s, wz = 60 rad/s, w) = 90 rad/s, wa = 120 rad/s and ws = 150 rad/s. Assuming that the initial displacement of the string is sinusoidal (zero initial velocity) as shown in Figure Q8, determine the frequency (in Hz) of the vibrating string. Justify your answer. Figure Q8
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Transcribed Image Text:The first five natural frequencies of a tensioned string are given by: wi = 30 rad/s, wz = 60 rad/s, w) = 90 rad/s, wa = 120 rad/s and ws = 150 rad/s. Assuming that the initial displacement of the string is sinusoidal (zero initial velocity) as shown in Figure Q8, determine the frequency (in Hz) of the vibrating string. Justify your answer. Figure Q8
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