Two identical loudspeakers placed 3.00 m apart are driven by the same oscillator (Figure below). A listener is originally at point O, located 8.00 m from the center of the line connecting the two speakers. The listener then moves to point P, which is a perpendicular distance 0.350 m from 0, and she experiences the first minimum (destructive interference) in sound intensity. What is the frequency of the oscillator? (Note: speed of sound in air = 343 m/s) 0.350 m 1.15 m P. 8.00 m 3.00 m 1.85 m 8.00 m

Two identical loudspeakers placed 3.00 m apart are driven by the same oscillator (Figure below). A listener is originally at point O, located 8.00 m from the center of the line connecting the two speakers. The listener then moves to point P, which is a perpendicular distance 0.350 m from 0, and she experiences the first minimum (destructive interference) in sound intensity. What is the frequency of the oscillator? (Note: speed of sound in air = 343 m/s) 0.350 m 1.15 m P. 8.00 m 3.00 m 1.85 m 8.00 m

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter14: Superposition And Standing Waves

Section: Chapter Questions

Problem 17P

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Concept explainers

Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.

Question

Two identical loudspeakers placed 3.00 m apart are driven by the same
oscillator (Figure below). A listener is originally at point O, located 8.00 m from
the center of the line connecting the two speakers. The listener then moves to
point P, which is a perpendicular distance 0.350 m from 0, and she
experiences the first minimum (destructive interference) in sound intensity.
What is the frequency of the oscillator? (Note: speed of sound in air = 343 m/s)
0.350 m
1.15 m
P.
8.00 m
3.00 m
1.85 m
8.00 m

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