An audio speaker producing a steady sound at an outdoor concert is 24 ft away from you. If you move to a position where the speaker is 81 ft distant, by what factor will the amplitude of the sound change?  Af Ai =

Q: air and is open at one end and closed at the other. The speed of sound in air at 0°C is 331 m/s.…

A: Given length of tube L =30 cm= 0.3m

Q: from

A: Given: Frequency of the train = 491 Hz Train A is stationary Speed of train B = 36 m/s Speed of the…

Q: The air on a very warm summer day is 38C. You blow across the top of a tube with a length of 35.0cm…

A: Length of tube L1= 0.3 m Length of other tube alto= 0.174m

Q: A certain loudspeaker system emits sound isotropically with a frequency of 2000 Hz and an intensity…

A: Intensity of sound wave is defined as  power carried by sound wave per unit area, in the direction…

Q: A wave of amplitude 0.50 m interferes with a second wave of amplitude 0.4 m traveling in the same…

A:

Q: Two identical sinusoidal waves with wavelengths of 5.00 m travel in the same direction at a speed of…

A:

Q: A commuter train passes a passenger platform at a constant speed of 39.0 m/s. The train horn is…

A:

Q: The equation of certain traveling waves is y(x,t) = 0.0450 sin(25.12x - 37.68t - 0.523) where x and…

A:

Q: A wave of amplitude 0.20 m interferes with a second wave of amplitude 0.12 m traveling in the same…

A:

Q: 1. 4. A quitar emits a 440 Hz tone. How far apart are the crests in room temperature air (20 °C)?…

A: GIVEN Tone frequency of guitar = 440 Hz To find out How far apart are the crests in room temperature…

Q: Two identical guitar strings are prepared such that they have the same length (0.66 m) and are under…

A: The expression for beat frequency is,

Q: The first harmonic of a series created by a standing air wave in a tube open at one end only is 36.8…

A: Given in question -  First harmonic frequency (f) = 36.8 Hz                                   Length…

Q: Spherical waves of wavelength 45.0 cm propagate outward from a point source. (a) Explain how the…

A: Given,      Wavelength of spherical waves = 45 cm

Q: The intensity of a sound wave at a fixed distance from a speaker vibrating at 1.00 kHz is 0.650…

A: Remember that intensity of sound is given by: I = 2*pi^2*f^2*Sm^2*rho*v Where f = frequency of sound…

Q: A pipe has a length of 0.750 m and is open at both ends. (a) Calculate the two lowest harmonics of…

A: a). Write the formula to calculate the harmonic frequencies of a pipe open at both ends is,

Q: A certain tuning fork vibrates at a frequency of 190 Hz while each tip of its two prongs has an…

A: frequency = 190 Hztime period = 1/frequency T = 1/190 T = 0.005263 secondsT =5.26 ms

Q: Two periodic waves overlap and beats are formed with a frequency of 3 beats per second. What is the…

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Q: The fundamental frequency of an open organ pipe corresponds to the B above middle C (493.9 Hz on the…

A:

Q: An audio technician wishes to determine the distance from ground to water level in a well by using…

A:

Q: Question: (a) At what location will the resultant of the two pulses have minimum amplitude? (b) At…

A: Suppose A1 and A2 are the amplitudes of the two triangular waves that are moving along the x-axis in…

Q: A drainage pipe running under a freeway is 30.0 m long. Both ends of the pipe are open, and wind…

A: It is given that,

Q: A-2 The faintest sound detectable by the human ear has an intensity of about 1x101 W/m“. a) Find the…

A:

Q: Suppose you want to build a musical instrument with a hollow pipe that is open at both ends. You…

A:

Q: A sound source starts at an amplitude of 50 db. If the sound that reaches your ear is 32 db. How far…

A: According to the inverse square law regarding the sound pressure level reduction and the distance…

Q: Two students hear the same sound and their eardrums receive the same power from the sound wave. The…

A: Given that First Intensity I1 = 0.79 W/m2 Second intensity I2 = (1.18)(0.79) W/m2 = 1.18I1 Diameter…

Q: Expectant parents are thrilled to hear their unborn baby's heartbeat, revealed by an ultrasonic…

A: (a) maximum linear speed vmax=ωA=2πfA=2π124 beatminute2.00 mm10-3 m1 mm1 min60 s=0.02597 m/s≈0.0260…

Q: 4. A sound wave's amplitude can be modeled by the function y = -7 sin ((z - 1) +4). Within the…

A: We know, the general solution of the trigonometric equation sin x = sin θ, is x = nπ + (-1)nθ, where…

Q: Pipe A, which is 1.50 m long and open at both ends, oscillates at its third lowest harmonic…

A: In open orgon pipe Antinodes are form at both end In close orgon pipe nodes form at closed end and…

Q: A train is traveling at 30.0 m/s relative to the ground in still air. The frequency of the note…

A:

Q: Male Rana catesbeiana bullfrogs are known for their loud mating call.The call is emitted not by the…

A:

Q: A string is fixed at both ends and vibrating at 130 Hz, which is its third harmonic frequency. The…

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Q: You have a Coke bottle with an air cavity that is 0.220 m deep. You add water to the bottle,…

A:

Q: A 2.00 m long air column is open at both ends. The frequency of a certain harmonic is 410 Hz, and…

A: length of air column open at both ends = 2 m frequency of certain harmonic (n) = 410 Hzfrequency of…

Q: A sound wave is being emitted from a speaker with a frequencyf and an amplitude A. The sound waves…

A:

Q: A steel wire in a piano has a length of 0.420 m and a mass of 5.300 ✕ 10−3 kg. To what tension must…

A: Given data: Length of steel wire is, L=0.420 m. Mass of wire is, m=5.300×10-3 kg. Frequency of…

Q: A tuba creates a 4th harmonic of frequency 116.5 Hz. What is the length of the pipe in the tuba?…

A:

Q: Expectant parents are thrilled to hear their unborn baby’s heartbeat, revealed by an ultrasonic…

A: a.Formula to calculate the maximum linear speed of the heart wall is,

Q: An audio speaker producing a steady sound at an outdoor concert is 30 ft away from you. If you move…

A: The initial distance of the speaker from us, x1=30 ft   The final distance of the speaker from us,…

Q: Two sine waves travel in the same direction in a medium. The amplitude of each wave is A, and the…

A: Given: The  amplitude of each wave is A. The phase difference between the two is θ=180°.   The…

Q: A stereo speaker produces a pure "C" tone, with a frequency of 262 Hz. What is the period T of the…

A: Given data: Frequency (f) = 262 Hz Speed of sound in water (vw) = 1480 m/s Speed of sound in air…

Q: An audio technician wishes to determine the distance from ground to water level in a well by using…

A:

Q: An audio speaker producing a steady sound at an outdoor concert is 20 ft away from you. If you move…

A:

Q: A 1.6 m long string fixed at both ends vibrates at resonant frequency of 780 Hz and 1040 Hz, with no…

A:

Equation of Waves

Wave is an oscillation or disturbance traveling in a medium. It performs the transportation of energy but does not carry any matter. This motion of waves will transport fuel in a medium without permanent transfer of mass (particle).