A string fixed at both ends is \( 7.50 \mathrm{~m} \) long and has a mass of \( 0.120 \mathrm{~k...

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A string fixed at both ends is \( 7.50 \mathrm{~m} \) long and has a mass of \( 0.120 \mathrm{~kg} \). It is subjected to a tension of \( 96.0 \mathrm{~N} \) and set oscillating. (a) What is the speed of the waves on the string?
(b) What is the longest possible wavelength for a standing wave? (c) Give the frequency of that wave.
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