A jet plane emits 3.0*10^5 J of sound energy per second. a)What is the sound level 21m away

Q: If the length of the vibrating string is 8.1 m, then calculate the wavelength of the standing wave…

A: Given Data : The length of the vibrating string is L=8.1 m. Here we have to find out the wavelength…

Q: A device is producing coherent waves at a frequency of 1236 Hz in a flat valley where the speed of…

A: Part A: The wavelength λ, frequency f and speed of sound c are related as:

Q: The horn of a train has a frequency of250 Hz. If the train is moving away from you at18 m/s, then…

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Q: If y(x,t) = 0.02 sin (30x – 400t) (SI units), the period of the wave is

A: Given that-yx,t=0.02×Sin30x-400tWe know that-Wave equation-yx,t=A.Sinkx-ωtwhere, A=0.02m…

Q: 1. Sounds waves are disturbances in air molecules that move at 343 + m/s. Pitch is a measure of a…

A: Sound waves move at a speed Music has a pitch of frequency

Q: A scientist wants to identify a wave as mechanical or electromagnetic. Which medium should the wave…

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Q: the amount of sound energy being trasnferred per unit area is called the pressure.

A: in this question  we discuss about sound energy  transfer per unit .

Q: A researcher immerses a sound detector in water to record the sounds emitted by the animals. The…

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Q: 2. The figure shows a standing wave that is 0.6m long. The frequency of this standing wave is 400Hz.…

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Q: A sinusoidal wave traveling to the left, has an amplitude of 15 cm, a wavelength of 40 cm and a…

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Q: Two speakers are emitting identical sound waves facing each other, speaker 1 is at x = 0 m and…

A: A speaker is a sound-amplifying device that amplifies the loudness of a low power sound by…

Q: RUE OR FALSE: Indicate whether each statement is true or false. If false, change the A. MODIFIED…

A: We need to state True and False for each statement. Also, it is required to make appropriate…

Q: What is the time period of a sound wave with velocity 400 m/s in air and a wavelength of 0.50 m?…

A: We know that-Frequency, f=cλwhere, c is the velocity of sound in air= 400 ms-1Wavelength of sound…

Q: What is the time period of a sound wave with velocity 400 m/s in air and a wavelength of 0.50 m?

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Q: The frequency of ultrasonic waves is lower than that of normal sound waves. a. False O b. True

A: The frequency of normal waves is the frequency that human hear. The humans with normal hearing can…

Q: 3. The stationary wave satisfies the following equation, y = 3 cos (3πt) sin (πx) meters With t in…

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Q: Which of the following about sonic booms from supersonic aircraft applies? O a. 2 people spaced 1…

A: Sonic boom is shock waves created when an object travels through air faster than speed of sound.…

Q: Two waves are simultaneously passing through a string and their equations are : amplitudes A₁ y₁ =…

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Q: A sound wave in air at 20°C has a frequency of 330 Hz and a displacement amplitude of 5.00×10-3 mm.…

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Q: 81. A physics professor demonstrates the Doppler effect by tying INT a 600 Hz sound generator to a…

A: In this question we have to find the highest and lowest frequencies heard by the student. Please…

Q: The speed of a transverse wave on a string is 300.00 m/s, its wavelength is 0.50 m, and the…

A: The Time period of oscillation is given by  T=λv It is given that  λ=0.5 mv=300.00 m/s Hence,…

Q: Good day, Maam/Sir. I hope you can help me to my study. Thank you!! Topic: Sound and Hearing…

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Q: Give two real world examples of a. A longitudinal wave b. A transverse wave

A: Longitudinal waves When particles of a wave vibrate in the direction perpendicular to the direction…

Q: Q25. The intensity at a certain location is 0.0020 W/m². What is the sound intensity level at this…

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Q: An 180 dB sound can cause permanent hearing damage. By what factor is this larger than the quietest…

A: The quietest audible sound for human is 0 dB.

Q: For numbers 4 to 6, consider A sinusoidal wave travels along a string. The time for a particular…

A: Given Time taken for a particular point to move from maximum amplitude to zero is t= 0.25 s.

Q: You experimentally meaure the tension needed to produce a standing wve as 76N When you use…

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Q: A student holds an 80.00-cm lab pole one quarter of the length from the end of the pole. The lab…

A: Given that-Total length, L= 80 cmVoltage, v= 5120 m/sFrequency, f=vλwhere, Speed of Aluminium pole,…

Q: The audible range for humans is ________. Choose one answer.   a. 20-20,000 Hz     b. less than 300…

A: Required:   Frequency range of audible sound for humans

Q: For the following decibel levels, determine the corresponding sound intensity levels in W/m2.a. 50…

A: Given:  a. 50 dBelb. 90 dBelc. 110 dBel

Q: N whistles produce a sound level intensity B. Calculate the sound level intensity produced by one…

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Q: Two identical waves, moving in the same direction along a stretched string , interfere with each…

A: The amplitude of each wave is 10 cm and the phase difference between them is 180o

Q: How much does a sound level increase by if we add three more of the same source? a. 1 dB b. 2 dB…

A: Here three more source is placed at the position.we have to find the change in sound level in dB.

Q: What is the time period of a sound wave with velocity 400 m/s in air and a wavelength of 0.50 m?…

A: We know that-Frequency, f=cλwhere, c is the velocity of sound in air= 400 ms-1Wavelength of sound…

Q: An object of mass M is used to provide tension in a 6.0-m-long string that has a mass of 0.282 kg,…

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Q: Two flutes of identical length, 0.4 m, are played during a concert. One was warmed up to 32°C before…

A: To solve this problem, we need to use the formula for the fundamental frequency of a vibrating…

Q: 25. Two pipes from an organ are played at the same time to create a beat frequency. The first pipe…

A: The beat frequency is defined as the difference in the frequency produced by two sources when played…

Q: Suppose you want to increase the level of sound by 15.0 dB. Determine the factor to which the sound…

A: *We'll answer only the first question since the question to be answered was not specified. Please…

Q: What is the volume flux for a shallow-water wave with T= 18.9 s and H = 3.3 m in a depth h = 7.72 m?…

A: Given data t=18.9 secH=3.3 mh=7.72 m Here, 'H' is the height, 'h' is the depth of the shore. While…

Q: a 9 Student Center A Salt BBLearn O My NAU P * Sodexo AcademicWorks, Inc. My Bb Learn Tab 1... w…

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Q: Consider a wave described by the wave function -1 y (x,t)=0.85m sin (- 2 s1t +÷), find the velocity…

A: Given: Equation of wave

Q: water waves in a small tank are 7.5-cm long. They pass a given point at a rate of 2.5 waves per 20…

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Q: B. A sound wave hits a reflective surface at an angle of 42°. At what angle will it be reflected?

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Q: 5. A sound wave is produced in air, with a frequency of 200 Hz. (The speed of sound in air is around…

A: 5 Given- frequency f= 200 Hz Speed of sound v= 340 m/s

Q: For items 1-2, choose only one correct answer. 1. What is the speed of sound when the temperature is…

A: NB: Two unrelated questions are asked, the 1st one will be answered. velocity of sound in a solid is…