A string of length $0\mathrm{.}720$ m is vibrating at $130$ Hz in its second harmonic and producing sound that moves at $340\frac{m}{s}.$

Part A

What is true about the frequency and wavelength of this sound?

Select all that apply.

The wavelength of the sound is $0\mathrm{.}720$ m $.$

The frequency of the sound is $130$ Hz $.$

The frequency of the sound is $472$ Hz $.$

The wavelength of the sound is $2\mathrm{.}62$ m $.$

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