Standing Sound Waves: a String, 0

question 80

Multiple Choice

Standing sound waves: A string, 0.28 m long and vibrating in its third harmonic, excites an open pipe that is 0.82 m long into its second overtone resonance. The speed of sound in air is 345 m/s. The speed of transverse waves on the string is closest to

• A) 120 m/s.
• B) 110 m/s.
• C) 100 m/s.
• D) 98 m/s.
• E) 91 m/s.

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