The image below shows a soundwave created in a string with length of L= 0.75 (m). The speed of sound in the string is Vstring= 200 (m/s). A-What is harmonic number n formed in the string? B-What is the wavelength of this harmonic (An) in this string C-What is the frequency of this harmonic (fn) in this string? - L3 0.75 (m) -

The image below shows a soundwave created in a string with length of L= 0.75 (m). The speed of sound in the string is Vstring= 200 (m/s). A-What is harmonic number n formed in the string? B-What is the wavelength of this harmonic (An) in this string C-What is the frequency of this harmonic (fn) in this string? - L3 0.75 (m) -

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Sound Waves

Section: Chapter Questions

Problem 17.65AP: A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it...

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A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it moving east at 30.0 m/s. The police car has a malfunctioning siren that is stuck at 1 000 Hz. (a) What would be the wavelength in air of the siren sound if' the police car were at rest? (b) What is the wavelength in front of the police car? (c) What is it behind the police car? (d) What is the frequency heard by the driver being chased?
(a) Students in a physics lab are asked to find the length of an air column in a tube closed at one end that has a fundamental frequency of 256 Hz. They hold the tube vertically and fill it with water to the top, then lower the water while a 256—Hz tuning fork is rung and listen for the first resonance. What is the air temperature if the resonance occurs for a length of 0.336 m? (b) At what length will they observe the second resonance (first overtone)?
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