Answered: He’s standing at a D distance from an…

He’s standing at a D distance from an isotropic source of sound waves. Walk 6.11 m towards the fountain and observe that the intensity of them has doubled. Calculate the distance D in meters

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 111P: Two sinusoidal waves with identical wavelengths and amplitudes travel in opposite directions along a...

See similar textbooks

Related questions

Q: Some water waves with density p are experiencing a surface tension T so that the dispersion relation…

A: we know phase velocity Vp=ωk given ω=Tk2ρ therefore Vp=ωk=Tk3ρk=Tk3ρk2=Tkρ

Q: The resultant wave function of two waves traveling in the same direction on a string is given by…

Q: A 1.0 W point source emits sound waves isotropically. Assuming that the energy of the waves is…

A: The expression to determine the intensity,

Q: A dolphin emits a pulse of sound waves (longitudinal wave) toward an object at 500 m from the…

A: Given:- A dolphin emits a pulse of sound waves (longitudinal wave) toward an object at500 m from the…

Q: A sound source A and a reflecting surface B move directly toward each other. Relative to the air,…

A: It is given that

Q: The wave which cannot propagate through a vacuum is: O a. X-rays O b. ultra violet rays O . non…

A: Non-mechanical waves are waves that do not require a medium for propagation. Mechanical waves are…

Q: A group of hikers hears an echo 2.00 s after shouting. How far away is the mountain that reflected…

A: Given: time after which echo is heard, t = 2.0 s speed of sound wave, v = 346 m/s

Q: The intensity of the sound wave from a jet airplane as it is taking off is 100 W/m at a distance of…

Q: A pulse is traveling towards the boundary from a less dense medium to a more dense medium. Less…

A: Energy is conserved in transmission of wave so partially transmitted wave will be in phase with…

Q: The resultant intensity due to the destructive interference of two waves is 4 W/m2 . Evaluate the…

A: Resultant intensity = 4 W/m2 Ratio of amplitude of each wave = 3/4 Let amplitude of one wave, A1 be…

Q: A pulse is traveling towards the boundary from a more dense medium to a less dense medium. Medium 1…

A: Introduction: The transmitted pulse in the less dense medium travel faster and has larger…

Q: A pulse is traveling towards the boundary from a less dense medium to a more dense medium. Less…

Q: When a wave pulse travets from a light section of a cord to the heavy section, which of the…

A: It is given that a wave pulse travels from a light section to the heavy section of a cord. This can…

Q: You are hiking to the top of a small canyon. When you stop for a rest you decide to shout "hello"…

A: Given Data: Speed of sound in air (v) = 340 m/s.Time for echo (t) = 1.10 s. To Determine: The width…

Q: Two sinusoidal waves are moving through a medium in the negative x-direction. Each of the waves has…

A: In the question it is given that the two waves are moving in the same negative x-direction. their…

Q: As a bat flies toward a wall at a speed of 5.90 m/s , the bat emits an ultrasonic sound wave with…

Q: You should hello into an echo chamber that is 250 m long. Assuming that the speed of sound is 340…

A: length of the echo chamber, d = 250 m speed of the sound , Vs = 340 m/s no damping of sound is there

Q: Consider two waves defined by the wave functions y1 (x, t) = 0.20 m sin(2π/6.00m) x − (2π/4.00s)…

Q: A pulse in a more dense medium is traveling towards the boundary with a less dense medium. Medium 1…

A: I seen that from figure, the incidence pulse seems to be of greater amplitude than the reflected…

Q: A pulse is traveling towards the boundary from a more dense medium to a less dense medium. Medium1…

A: When a pulse travels from more dense medium to less dence medium towards the boundary it gets…

Q: A pulse in a less dense medium is traveling towards the boundary with a more dense medium. Medium1…

A: In the transmission of waves from less dense medium to denser medium, energy remains conserved.

Q: A 5.0 W point source emits sound waves isotropically. Assuming the energy of the waves is conserved,…

Q: If a plane is flying at a speed so that the apex half-angle of its shockwave is 30°, what is its…

Q: Sound waves entering human ear first pass through the auditory canal before reaching the eardrum. If…

A: Length of the auditory canal, l = 2.5 cm=2.5×10-2 m Diameter of the auditory canal, d= 7.00…

Q: Consider two waves defined by the wave functions y1(x,t)=0.50m sin(2π/3.00mx+2π/4.00s t) y1(x,t)=…

A: Compare the given equations with following wave equation: y(x,t)=Asin2πλx+2πTt here, y is the…

Q: A light wire is tightly stretched with tension F. Transverse traveling waves of amplitude A and…

A: Given that, Initial power (Pi)= 0.4000 W Initial wavelength is (λ1) Final wavelength is (λ2)= 2(λ1)…

Q: The intensity level of sound 20 m from a jet airliner is 120 dB. At what distance from the airplane…

Q: Sound waves are emitted isotropically (that is, with equal intensity in all directions) from a…

A: Given The distance from the source is r=3 m. The intensity of the waves is I=2.60×10-4 W/m2. The…

Q: An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic sound that travels 1530…

A: speed = 1530 m/s time delay T = 6s

Q: A pulse is traveling towards the boundary from a more dense medium to a less dense medium. Medium 1…

A: we know that when a wave is reflected from denser to rarer medium, there is no phase change.

Q: Two small speakers, 0.680 m apart, are facing in the same direction. They are driven by one 666 Hz…

A: Given data: Distance between the speaker, d=0.680 m Frequency of each speaker, f=666 Hz Speed of…

Q: A source of sound, when stationary, generates wave of frequency 500Hz. The speed of sound is 340m/s.…

A: Frequency , F0 = 500 Hz Speed of sound , v = 340 m/s To find = a) Wavelength b)…

Q: In the arrangement shown below, an object can be hung from a string (with linear mass density u =…

A: in this question use frequency equation with nodes and tension and length of wire.

Q: The figure shows the output from a pressure monitor mounted at a point along the path taken by a…

A: The time period is the time required to complete oscillation. The time period is the reciprocal of…

Q: A source emits sound waves isotropically. The intensity of the waves 2.08 m from the source is 1.80…

A: Intensity of wave, I=1.8×10-4 W/m2Distance from source,d= 2.08 mLet, P denotes the power of source

Q: The resultant intensity due to the destructive interference of two waves is 36 W/m2. Evaluate the…

Q: Two waves travelling in the same direction are given by: y1 = 0.2 sin⁡(2πx-20t+φ) and y2 = 0.2…

Q: Suppose you want to demonstrate the Doppler effect for deep-water waves, using a 7.21 Hz source…

Q: For a given medium, the frequency of a wave is: O proportional to wavelength O proportional to the…

A: For given medium frequency is inversely proportional to wavelength.

Q: The resultant intensity due to the constructive interference of two waves is 196 W/m2 . Evaluate the…

Q: Two sinusoidal waves of wavelength A = 2/3 m and amplitude A = 6 cm and %3D %3D differing with their…

A: General form of wave, Y1= A sin (kx - wt).......... (1) Y2= A sin (kx…

Q: Consider two identical interfering waves with wavelength A = 0.4 m travelling in the positive…

A: Given: Wavelength of two identical interfering waves, λ=0.4 m Phase difference between the waves,…

Q: The resultant intensity due to the destructive interference of two waves is 4 W/m². Evaluate the…

A: Given : Resultant intensity due to the destructive interference, IR= 4 W/m2 Ratio of their…

Q: Two sinusoidal waves of wavelength A = 2/3 m and amplitude A = 6 cm and differing with their phase…

A: NOTE: As per guidelines, I can solve first question only. If you need help with other question, then…

Q: The figure shows the output from a pressure monitor mounted at a point along the path taken by a…

Q: A point source emits sound waves isotropically. The intensity of the waves 2.50 m from the source is…

A: Here, Intensity of wave = 1.91 * 10-4 W/m2. Point source at distance r = 2.50m Power of source =…

Q: A pulse is traveling towards the boundary from a more dense medium to a less dense mediur Medium 1…

Q: Two waves of amplitude 0.3 m and 0.5 m interfere constructively. The resultant intensity is O a.0.49…

A: Given that Amplitude of 1st wave = 0.3 m Amplitude of 2nd wave = 0.5 m And they interfere…

Concept explainers

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.

Question

He’s standing at a D distance from an isotropic source of sound waves. Walk 6.11 m towards the fountain and observe that the intensity of them has doubled. Calculate the distance D in meters

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

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

Two sinusoidal waves with identical wavelengths and amplitudes travel in opposite directions along a string producing a standing wave. The linear mass density of the string is =0.075 kg/m and the tension in the string is FT=5.00 N. The time interval between instances of total destructive interference is t=0.13 s. What is the wavelength of the waves?
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?
In Figure OQ14.3, a sound wave of wavelength 0.8 m divides into two equal parts that recombine to interfere constructively, with the original difference between their path lengths being |r2 − r1| = 0.8 m. Rank the following situations according to the intensity of sound at the receiver from the highest to the lowest. Assume the tube walls absorb no sound energy. Give equal ranks to situations in which the intensity is equal. (a) From its original position, the sliding section is moved out by 0.1 m. (b) Next it slides out an additional 0.1 m. (c) It slides out still another 0.1 m. (d) It slides out 0.1 m more. Figure OQ14.3
Show by direct substitution that the exponential Gaussian function defined by ?(x,t) = ae-(bx-ct)^2 satisfies the wave equation: (?2?(?,?))/(?x2) = (1/v2) * (?2?(x,t))/(?t2) if the wave is given by the v = (c/b) and a, b, and c are constants.
Does the sound intensity level b obey the inverse-square law? Why?
An E&M wave has an e-field given by E(x,t) = -(9.90 V/m)kcos(ky+wt) and its wavelength is known to be 20 micrometers. Which of the following is correct for B(x,t) and the direction of propagation? (c=3x108 m/s)
Consider a sound wave traveling from left to right in a certain region in air. If, at a particular time and location, the gauge pressure due to the sound wave is a maximum, what can be said about the displacement of the air molecules at that same time and place? A. Cannot be determined B. it is maximum to the left C. it is zero D. it is maximum to the right
Suppose you want to demonstrate the Doppler effect for deep-water waves, using a 7.21 Hz source moving toward a stationary observer. How fast would the source have to move through the water if the frequency of the waves seen by the observer is to be nine times the frequency of the source? (The answer is not 1333.33 m/s or 0.168 m/s)
A 1.0 W point source emits sound waves isotropically. Assuming that the energy of the waves is conserved, find the intensity (a) 1.0 m from the source and (b) 2.5 m from the source.
A source of sound, when stationary, generates wave of frequency 500Hz. The speed of sound is 340m/s. Find the wavelength of the waves detected by an observer and frequency observed when a) The source is stationary and the observer moves towards it with speed 20m/s. b) The source moves away from the stationary observer with speed 30m/s.
A sound source A and a reflecting surface B move directly toward each other. Relative to the air, the speed of source A is 29.9 m/s, the speed of surface B is 65.8 m/s, and the speed of sound is 329 m/s. The source emits waves at frequency 1200 Hz as measured in the source frame. In the reflector frame, what are the (a) frequency and (b) wavelength of the arriving sound waves? In the source frame, what are the (c) frequency and (d) wavelength of the sound waves reflected back to the source?
A point source broadcasts sound into a uniform medium. If the intensity at a distance r is I, by what factor will the intensity change when the distance changes to 1.8r?