Four standing wave segments, or loops, are observed on a string fixed at both ends as it vibrate...
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0Four standing wave segments, or loops, are observed on a string fixed at both ends as it vibrates at a frequency of \( 140 \mathrm{~Hz} \). What is the fundamental frequency of the string?
(A) \( 23 \mathrm{~Hz} \)
(B) \( 35 \mathrm{~Hz} \)
(C) \( 28 \mathrm{~Hz} \)
(D) \( 47 \mathrm{~Hz} \)
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