A String That Is 0

question 221

Multiple Choice

A string that is 0.15 m long and fixed at both ends is vibrating in its n = 5 harmonic. The sound from this string excites a pipe that is 0.82 m long and open at both ends into its second overtone
Resonance. What is the distance between a node and an adjacent antinode, in the string? The speed
Of sound in air is 345 m/s.

• A) 23 mm
• B) 150 mm
• C) 30 mm
• D) 15 mm
• E) 7.5 mm

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