Fundamentals of Physics Extended
10th Edition
ISBN: 9781118230725
Author: David Halliday, Robert Resnick, Jearl Walker
Publisher: Wiley, John & Sons, Incorporated
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 17, Problem 20P
Figure 17-36 shows four isotropic point sources of sound that are uniformly spaced on an x axis. The sources emit sound at the same wavelength λ and same amplitude sm, and they emit in phase. A point P is shown on the x axis. Assume that as the sound waves travel to P the decrease in their amplitude is negligible. What multiple of sm is the amplitude of the net wave at P if distance d in the figure is (a) λ/4, (b) λ/2, and (c) λ?
Figure 17-36 Problem 20.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
The figure shows four isotropic point sources of sound that are uniformly spaced on an x axis. The sources emit sound at the same
wavelength A and same amplitude sm: and they emit in phase. A point P is shown on the x axis. Assume that as the sound waves travel to
P, the decrease in their amplitude is negligible. What multiple of sm is the amplitude of the net wave at P if distance d in the figure is
(a)1A, (b)2A, and (c)4A?
Sa
(a) Number
45
Units
m
(b) Number
45
Units
(c) Number
45
Units
m
The figure shows four isotropic point sources of sound that are uniformly spaced on an x axis. The sources emit sound at the same
wavelength and same amplitude Sm, and they emit in phase. A point P is shown on the x axis. Assume that as the sound waves travel to
P, the decrease in their amplitude is negligible. What multiple of sm is the amplitude of the net wave at P if distance d in the figure is (a)
5λ/4, (b) 51/2, and (c) 5λ?
(a) Number i
(b) Number i
(c) Number
i
|aa|
Units
Units
Units
◄►
P
Chapter 17, Problem 020
The figure shows four isotropic point sources of sound that are uniformly spaced on an x axis. The sources emit sound at the same wavelength and same amplitude sm, and they emit
in phase. A point P is shown on the x axis. Assume that as the sound waves travel to P, the decrease in their amplitude is negligible. What multiple of sm is the amplitude of the net
wave at P if distance d in the figure is (a)1A, (b)2, and (c)4/?
(a) Number
(b) Number
(c) Number
Units
Units
Units
S₁
Sa
Sa
+
S₁
Chapter 17 Solutions
Fundamentals of Physics Extended
Ch. 17 - In a first experiment, a sinusoidal sound wave is...Ch. 17 - In Fig. 17-25, two point sources S1, and S2, which...Ch. 17 - In Fig. 17-26, three long tubes A,B, and C are...Ch. 17 - Prob. 4QCh. 17 - In Fig. 17-27, pipe A is made to oscillate in its...Ch. 17 - Prob. 6QCh. 17 - Figure 17-28 shows a moving sound source S that...Ch. 17 - Prob. 8QCh. 17 - For a particular tube, here are four of the six...Ch. 17 - Prob. 10Q
Ch. 17 - You are given four tuning forks. The fork with the...Ch. 17 - Two spectators at a soccer game see, and a moment...Ch. 17 - What is the bulk modulus of oxygen if 32.0 g of...Ch. 17 - Prob. 3PCh. 17 - A column of soldiers, marching at 120 paces per...Ch. 17 - Prob. 5PCh. 17 - A man strikes one end of a thin rod with a hammer....Ch. 17 - SSM WWW A stone is dropped into a well. The splash...Ch. 17 - GO Hot chocolate effect. Tap a metal spoon inside...Ch. 17 - If the form of a sound wave traveling through air...Ch. 17 - Prob. 10PCh. 17 - SSM Diagnostic ultrasound of frequency 4.50 MHz is...Ch. 17 - The pressure in a traveling sound wave is given by...Ch. 17 - A sound wave of the form s = sm coskx t travels...Ch. 17 - Figure 17-32 shows the output from a pressure...Ch. 17 - GO A handclap on stage in an amphitheater sends...Ch. 17 - Two sound waves, from two different sources with...Ch. 17 - Prob. 17PCh. 17 - Prob. 18PCh. 17 - GO Figure 17-35 shows two isotropic point sources...Ch. 17 - Figure 17-36 shows four isotropic point sources of...Ch. 17 - SSM In Fig. 17-37, two speakers separated by...Ch. 17 - In Fig. 17-38, sound with a 40.0 cm wavelength...Ch. 17 - GO Figure 17-39 shows two point sources S1 and S2...Ch. 17 - Suppose that the sound level of a conversation is...Ch. 17 - A sound wave of frequency 300Hz has an intensity...Ch. 17 - Prob. 26PCh. 17 - SSM WWW A certain sound source is increased in...Ch. 17 - Two sounds differ in sound level by 1.00 dB. What...Ch. 17 - Prob. 29PCh. 17 - The source of a sound wave has a power of 1.00 W....Ch. 17 - GO When you crack a knuckle, you suddenly widen...Ch. 17 - Approximately a third of people with normal...Ch. 17 - Male Rana catesbeiana bullfrogs arc known for...Ch. 17 - GO Two atmospheric sound sources A and B emit...Ch. 17 - A point source emits 30.0 W of sound...Ch. 17 - Party hearing. As the number of people at a party...Ch. 17 - Prob. 37PCh. 17 - The water level in a vertical glass tube 1.00 m...Ch. 17 - Prob. 39PCh. 17 - Organ pipe A, with both ends open, has a...Ch. 17 - A violin siring 15.0 cm long and fixed at both...Ch. 17 - A sound wave in a fluid medium is reflected at a...Ch. 17 - SSM In Fig. 17-41, S is a small loudspeaker driven...Ch. 17 - The crest of a Parasaurolophus dinosaur skull is...Ch. 17 - In pipe A, the ratio of a particular harmonic...Ch. 17 - GO Pipe A. which is 1.20 m long and open at both...Ch. 17 - A well with vertical sides and water at the bottom...Ch. 17 - One of the harmonic frequencies of tube A with two...Ch. 17 - SSM A violin string 30.0 cm long with linear...Ch. 17 - Prob. 50PCh. 17 - The A string of a violin is a little too tightly...Ch. 17 - A tuning fork of unknown frequency makes 3.00...Ch. 17 - SSM Two identical piano wires have a fundamental...Ch. 17 - You have five tuning forks that oscillate at close...Ch. 17 - Prob. 55PCh. 17 - An ambulance with a siren emitting a whine at 1600...Ch. 17 - A state trooper chases a speeder along a straight...Ch. 17 - Prob. 58PCh. 17 - GO In Fig. 17-42, a French submarine and a U.S....Ch. 17 - A stationary motion detector sends sound waves of...Ch. 17 - GO A bat is flitting about in a cave, navigating...Ch. 17 - Figure 17-43 shows four tubes with lengths 1.0 m...Ch. 17 - ILWAn acoustic burglar alarm consists of a source...Ch. 17 - A stationary detector measures the frequency of a...Ch. 17 - GO A 2000 Hz siren and a civil defense official...Ch. 17 - GO Two trains are traveling toward each other at...Ch. 17 - SSM WWWA girl is sitting near the open window of a...Ch. 17 - Prob. 68PCh. 17 - SSMA jet plane passes over you at a height of 5000...Ch. 17 - A plane flies at 1.25 times the speed of sound....Ch. 17 - At a distance of 10 km, a 100 Hz horn, assumed to...Ch. 17 - A bullet is fired with a speed of 685 m/s. Find...Ch. 17 - Prob. 73PCh. 17 - The average density of Earths crust 10 km beneath...Ch. 17 - A certain loudspeaker system emits sound...Ch. 17 - Find the ratios greater to smaller of the a...Ch. 17 - Prob. 77PCh. 17 - A trumpet player on a moving railroad flatcar...Ch. 17 - GO In Fig. 17-46, sound of wavelength 0.850 m is...Ch. 17 - GO A detector initially moves at constant velocity...Ch. 17 - SSMa If two sound waves, one in air and one in...Ch. 17 - A continuous sinusoidal longitudinal wave is sent...Ch. 17 - SSMUltrasound, which consists of sound waves with...Ch. 17 - The speed of sound in a certain metal is vm. One...Ch. 17 - An avalanche of sand along some rare desert sand...Ch. 17 - A sound source moves along an x axis, between...Ch. 17 - SSMA siren emitting a sound of frequency 1000 Hz...Ch. 17 - Prob. 88PCh. 17 - Prob. 89PCh. 17 - Prob. 90PCh. 17 - Prob. 91PCh. 17 - You can estimate your distance from a lightning...Ch. 17 - SSMFigure 17-48 shows an air-filled, acoustic...Ch. 17 - Prob. 94PCh. 17 - SSMThe sound intensity is 0.0080 W/m2 at a...Ch. 17 - Four sound waves are to be sent through the same...Ch. 17 - Prob. 97PCh. 17 - A point source that is stationary on an x axis...Ch. 17 - You are standing at a distance D from an isotropic...Ch. 17 - Pipe A has only one open end; pipe B is four times...Ch. 17 - A pipe 0.60 m long and closed at one end is filled...Ch. 17 - A sound wave travels out uniformly in all...Ch. 17 - A police car is chasing a speeding Porsche 911....Ch. 17 - Suppose a spherical loudspeaker emits sound...Ch. 17 - In Fig. 17-35. S1 and S2 are two isotropic point...Ch. 17 - Prob. 106PCh. 17 - Kundts method for measuring the speed of sound. In...Ch. 17 - Prob. 108PCh. 17 - In Fig. 17-53, a point source S of sound waves...Ch. 17 - A person on a railroad car blows a trumpet note at...Ch. 17 - A listener at rest with respect to the air and the...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Name the components (including muscles) of the thoracic cage. List the contents of the thorax.
Human Physiology: An Integrated Approach (8th Edition)
The similarity and difference in ionic and covalent bond should be determined. Concept Introduction: The intera...
Living By Chemistry: First Edition Textbook
Could an organism be a fermenter and also be both MR and V—P negative? Explain.
Laboratory Experiments in Microbiology (12th Edition) (What's New in Microbiology)
Choose the best answer to each of the following. Explain your reasoning. Which describes our understanding of f...
Cosmic Perspective Fundamentals
6.1 State the number of electrons that be must be lost by atoms of each of the following to achieve a stable el...
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
Q1. Which wavelength of light has the highest frequency?
a) 10 nm
b) 10 mm
c) 1 nm
d) 1 mm
Chemistry: A Molecular Approach (4th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- The figure shows four isotropic point sources of sound that are uniformly spaced on an x axis. The sources emit sound at the same wavelength and same amplitude sm, and they emit in phase. A point P is shown on the x axis. Assume that as the sound waves travel to P, the decrease in their amplitude is negligible. What multiple of sm is the amplitude of the net wave at P if distance d in the figure is (a)1A, (b)2A, and (c)4A? (a) Number i Units (b) Number i Units (c) Number i Unitsarrow_forwardProblem 3: The human ear can detect a minimum intensity of Io = 10-12 W/m2, which has a sound intensity of 0 dB.Randomized Variables β = 45 dB If the student hears a sound at 45 dB, what is the intensity of the sound?Numeric : A numeric value is expected and not an expression.I = __________________________________________ Problem 4: A student exchanges the stock headphones (β1 = 87 dB) for her mp3 player for a new set that is louder (β2 = 95 dB). If the first set produced a power of P1 = 0.5 W how much power does the new set produce, P2 in W?Numeric : A numeric value is expected and not an expression.P2 = __________________________________________arrow_forwardProblem 1: The figure below shows four identical point sources of sound that are uniformly spaced on an x-axis. Sq d- d S3 d S4 P The sources emit sound at the same wavelength X and same amplitude A, and they emit in phase. A point P is shown on the x axis. Assume that as the sound waves travel to P, the decrease in their amplitude is negligible. What multiple of A is the amplitude of the net wave at P if distance d in the figure is (a) X/4, (b) A/2, and (c) X?arrow_forward
- Consider a composite wave formed by two plane waves with slightly different frequencies of 0, = 2.7 x 1012 rad/s and aw2 = 2.9 × 1012 rad/s and respective wavelengths A1 = 17.0 nm and 2 16.0 nm. Calculate the propagation velocity %D of the envelope wave and give your results in units of m/s with 1 digit precision, rounding off to one decimal place, i.e. the nearest tenth. (time budget 5min)arrow_forwardA point source that is stationary on an x axis emits a sinusoidal sound wave at a frequency of 686 Hz and speed 343 m/s. The wave travels radially outward from the source, causing air molecules to oscillate radially inward and outward. Let us define a wavefront as a line that connects points where the air molecules have the maximum, radially outward displacement. At any given instant, the wavefronts are concentric circles that are centered on the source. (a) Along x, what is the adjacent wavefront separation? Next, the source moves along x at a speed of 110 m/s. Along x, what are the wavefront separations (b) in front of and (c) behind the source?arrow_forwardStraight line AB connects two point sources that are 5.00 m apart, emit 300 Hz sound waves of the same amplitude, and emit exactly out of phase. (a) What is the shortest distance between the midpoint of AB and a point on AB where the interfering waves cause maximum oscillation of the air molecules? What are the (b) second and (c) third shortest distances?arrow_forward
- A transverse wave on a string has an amplitude of 20 cm, a wavelength of 65 cm, and a frequency of 2.0 Hz. The wave moves in the positive x-direction. Enter any fractional coefficients as fractions, i.e., do not approximate fractions using decimals. Enter as itself; do not multiply it with other numerical factors. Enter phase angles in inverse function form if they do not evaluate to one of the special angles on the unit circle. Write the mathematical description of the displacement yı (x, t) from equilibrium for the wave if, at t = 0, x = 0 and %3D Yı (x, t) = YI = 0. Write the mathematical description of the displacement y2 (x, t) from equilibrium for the wave if, at t = 0, x = 0 and Y2 (x, t) = %3D m Y2 = 20 cm. Write the mathematical description of the displacement y3 (x, t) from equilibrium for the wave if, at t = 0, x = 0 and Уз (х, t) %3D m Уз — —20 ст. Write the mathematical description of the displacement m y4 (x, t) from equilibrium for the wave if, at 1 = 0, x = 0 and y4 (x,…arrow_forwardProblem 2 Given: The intensity level of a sound wave is 75 dB relative to 1µPa.Required: Determine the intensity level relative to 1 µBararrow_forwardA sound source moves along an x axis, between detectors A and B. The wavelength of the sound detected at A is 0.500 that of the sound detected at B.What is the ratio s/ of the speed of the source to the speed of sound?arrow_forward
- A single dog barks at a sound intensity level of β = 85 dB.Randomized Variablesβ = 85 dB Part (a) Another dog runs up beside the first dog and starts barking at the same sound intensity level. What sound intensity level in dB do you hear from the two dogs barking?Numeric : A numeric value is expected and not an expression.β2 = __________________________________________Part (b) Now many other dogs run up and start barking at you. Assuming they all bark at the same sound intensity level, what will the sound intensity level in dB be if there are n = 6 dogs barking at you?Numeric : A numeric value is expected and not an expression.βn = __________________________________________arrow_forwardThe bending or spreading out of a wave at an obstacle or at the edges of an opening is called diffraction. (Sin0-1/d The amount of diffraction, (for all wave types) depends on the wave's wavelength A and the relative size of the opening d. If the speed of sound is 343 m/s and the speed of light is 3x10^8 m/s. What would be the ratlio of the size of an opening to give the same amount of diffraction for sound and light? Take the frequency of sound at 500 Hz and light at 5x10^14 Hz ratio (Aight /Asound = diight /dsound) a. Over a million times smaller O b. Over a hundred times smaller Over a thousand times smaller O c. O .Over ten times smaller 近arrow_forwardWe know that in a sound wave there are three associated waves: a longitudinal displacement wave, a pressure wave and a density wave. Assuming that the displacement wave is harmonica: y(x,t)=y0sin(kx-ωt) where y0 is the displacement amplitude. (a) determine the expression of the pressure wave p(x,t) (b) of the pressure wave expression identifies the amplitude or maximum pressure value pmax, shows that it can be written as: pmax = ρv0ky0 where v0 is the phase velocity of the wave and ρ the density of the gas (c) if the sound weaker than a person can hear at the frequency of 400 Hz corresponds to a pressure amplitude of approximately 8 x 10-5 Pa, what is the corresponding amplitude of displacement. Suppose the gas is air whose density it is ρ=1.3 kg/m3 and the phase velocity of sound in air is v0 = 340m/sarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
What Are Sound Wave Properties? | Physics in Motion; Author: GPB Education;https://www.youtube.com/watch?v=GW6_U553sK8;License: Standard YouTube License, CC-BY