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Answer all questions in the space provided. For each problem, label all parts, show equation, substitution...

Answer all questions in the space provided. For each problem, label all parts, show equation, substitution (with units), and answer (with units, scientific notation, rounded to 3 significant figures).

4. A string is attached between two barriers which are separated by 2.0 m. The speed of waves on the string is 150 m/s.

  1. Find the wavelength 1st harmonic of a standing wave generated between these two barriers.
  2. Find the frequency 1st harmonic of a standing wave generated between these two barriers.
  3. Find the wavelength of 5th harmonic.
  4. Find the frequency of 5th harmonic.

The speed of sound in air is 343 m/s.

  1. Find the following for a 2 m wavelength sound wave.
    1. The frequency.
    2. The period.

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genius_generous answered 2 years ago
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