Two sources of sound are located on the x axis, and each emits power uniformly in all directions. There are no reflections. One sourc is positioned at the origin and the other at x = +84.0 m. The source at the origin emits four times as much power as the other source. Where on the x axis are the two sounds equal in intensity? Note that there are two answers. Xbetween the sources Xnot between the sources i

Two sources of sound are located on the x axis, and each emits power uniformly in all directions. There are no reflections. One sourc is positioned at the origin and the other at x = +84.0 m. The source at the origin emits four times as much power as the other source. Where on the x axis are the two sounds equal in intensity? Note that there are two answers. Xbetween the sources Xnot between the sources i

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter16: Waves

Section: Chapter Questions

Problem 93P: Two sinusoidal waves are moving through a medium in the same direction, both having amplitudes of...

See similar textbooks

Similar questions

A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels in air at a speed of v=343.00 m/s. (a) What is the wave number of the sound wave? (b) What is the value for P(3.00 m, 20.00 s)?
A sound wave in air has a pressure amplitude equal to 4.00 103 Pa. Calculate the displacement amplitude of the wave at a frequency of 10.0 kHz.
During a 4th of July celebration, an M80 firework explodes on the ground, producing a bright flash and a loud bang. The air temperature of the night air is TF=90.00F . Two observers see the flash and hear the bang. The first observer notes the time between the flash and the bang as 1.00 second. The second observer notes the difference as 3.00 seconds. The line of sight between the two observers meet at a right angle as shown below. What is the distance x between the two observers?
Consider a diagnostic ultrasound of frequency 5.00 MHz that is used to examine an irregularity in soft tissue. (a) What is the wavelength in air of such a sound wave if the speed of sound is 343 m/s? (b) If the speed of sound in tissue is 1800 m/s, what is the wavelength of this wave in tissue?
(a) What is the speed of sound in a medium where a 100-kHz frequency produces a 5.96-cm wavelength? (b) Which substance in Table 17.1 is this likely to be?
Two sinusoidal waves are moving through a medium in the same direction, both having amplitudes of 3.00 cm, a wavelength of 5.20 m, and a period of 6.52 s, but one has a phase shift of an angle . What is the phase shift if the resultant wave has an amplitude of 5.00 cm? [Hint: Use the trig identity sinu+sinv=2sin(u+v2)cos(uv2)
(a) What is the fundamental frequency of a 0.672-mlong tube, open at both ends, on a day when the speed of sound is 344 m/s? (b) What is the frequency of its second harmonic?
wo in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 8.00 m. A person is standing 12.0 m away from the wall, equidistant from the loudspeakers. When the person moves 3.00 m parallel to the wall, she experiences destructive interference for the second time. What is the frequency of the sound? The speed of sound in air is 343 m/s. Group of answer choices 422 Hz 562 Hz 278 Hz 452 Hz 694 Hz
I=1N 4. A thunder was heard 2 sec later after the lightning is seen. If the distance of lightning is 698 m away from the observer, what is the speed of sound at that temperature?
and 4.00 m from the other? Ans. 4.1 rad 7. A bat flies toward a wall at a speed of 5.0 m/s. As it flies, the bat emits an ultrasonic sound wave with frequency 30 kHz. What frequency does the bat hear in the reflected wave? 8 The solution of travelling wave v(cos(kx - wt) is Ans. 30,888 kHz w²0²y a²y
Two sound waves, from two different sources with the same frequency, 665 Hz, travel in the same direction at 341 m/s. The sources are in phase. What is the magnitude of the phase difference of the waves at a point that is 5.37 m from one source and 3.69m from the other? Number Units
A source emits sound waves isotropically. The intensity of the waves 1.80 m from the source is 2.30 x 10-4 W/m². Assuming that the energy of the waves is conserved, find the power of the source. Number i Units