A material has a TL of 30 dB in the 125-Hz octave band. Based on the mass law, calculate the TL of two layers (double mass) of this material at 31.5 Hz

Q: For a tube of fixed length, at higher harmonics, the frequency is and the wavelength is higher,…

A: harmonic series given below.

Q: Given the following information about the Diamond; lattice constant 3.56 A. the speed of sound in…

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Q: 1. The single-phase half-controlled rectifier shown in Fig.1 operating at a triggering angle of…

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Q: Q2 A piezoelectric crystal has a length of 4 ×10-3 m and density 3 × 103 Kg/m3. Calculate its…

A: Given: Length of piezoelectric crystal is l=4×10-3m. Density of crystal is ρ=3×103km3.  Young’s…

Q: A 120-g wire fixed at both ends is 8 m long and has a tension of 100 N. What is the longest possi-…

A: In this problem, we are dealing with a stretched string. To solve the question, we will find out the…

Q: A- Find the free path rate of phonons à in germanium at a temperature of 300 kelvin, since you know…

A: Concept: To determine the Mean free path rate of phonons in germanium we will use the Formula of…

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A: Given, wavelength, λ = 18cm=0.18m At, xo = 0.02(m) and t=0, amplitude is maximum, And this…

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A: Diffraction is caused when a wave changes its path due to an obstacle or when it passes through a…

Q: Given the following information about the Diamond; lattice constant 3.56 A, the speed of sound in…

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Q: reviou probi – 3 nd 2500 kg m-3 re basement with ve m=3. xg the reflection an

A: Given as, Densities= 1800, 2200 and 2500 kgm-3, Velocity= 5.8 kms-1.

Q: Consider a monoatomic 1 D chain with nearest- neighbor interactions. Assume s spring constant K = 25…

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Q: 1. A signal given by x(t)=2cos(3a t) is sampled at a frequency of 20 Hz, starting at time t=0. i. Is…

A: The wave which moves periodically smoothly with same wavelength throughout the motion is known as…

Q: Q2/ Silicon (8 atoms per unit cell) crystallizes in the diamond lattice (cubic structure) with a…

A: Solid state.

Q: audio signal described as 20 sin 2π (2000)t amplitude modulates a carrier which is described as 40…

A: Given Equation of modulating signals em = 20 Sin 2π(2000t)  equation of carrier wave  ec = 40 Sin2π(…

Q: A 2500 lb car is traveling around a 250 ft radius. The coefficient of static friction has dropped to…

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Q: QUESTION 28 Consider a monoatomic 1 D chain with nearest- neighbor interactions. Assume s spring…

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Q: A. Find the length of the pipe. (1 m = 3.28 ft) B.If the temperature is 40 degree Celsius, find the…

A: Given data: The fundamental frequency is: f = 66 Hz at 20oC The speed of sound is: v = 343 m/s The…

Q: Party hearing. As the number of people at a party increases, you must raise your voice for a…

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Q: A 10m long rod is set into longitudinal vibration. Find the frequency of the tenth overton when it…

A: Given, Length, L=10m Y=10×1010 Overtone number,n=11 Frequency,…

Q: Two tubes of gas are identical and are open only at one end. One tube contains neon (Ne) and the…

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Q: A mono digital sound sample has a bit depth of 8 bits and a sampling rate of 9000 Hz. How much…

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Q: Consider the following transfer function: G(s) = s(Ts+1). 1. Write the polar form of ju and (1+…

A: Given, The transfer function is, Gs=sTs+12   1) Since the polar form of any function is,…

Q: Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N - m² /Cvacuum…

A: Magnetic field is normal to the direction of motion of the charged particle. Path of the particle in…

Q: A metal guitar string has a linear mass density of  µ = 3.100 g/m. What is the speed of transverse…

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Q: Q7. A 2m X 2m X 2m enclosure is constructed around a small compressor. The enclosure is made of a…

A: Solution: Given  Transmission Loss= TL = 26dB Power Level = Lw = 105dB A-weighted Sound Power Level…

Q: 2. A piezoelectric crystal has a length of 4 ×10-3 m and density 3 × 103 Kg/m3. Calculate its…

A: Given: Length of piezoelectric crystal is l=4×10-3m. Density of crystal is ρ=3×103kgm3. Young's…

Q: Your experiments on a particular insulator indicate that at 20°C, the average speed of sound in the…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Estimate the sound velocity of Xe (fcc crystal with lattice parameter of 6.202 Angstrom) from the…

A: Given: The lattice parameter is 6.202 A∘. Introduction: The lattice constant refers to the physical…

Q: A flute can be modeled as an open-open tube. My flute is L = 0.5969 m from %3D mouthpiece (one open…

A: In the following problem, we have a flute (considering as open-open tube) with the length, L=0.5969…

Q: ... How2: use the superposition theorem to Rind the currend in Rz - R3 ERZ 352 lov 422.

A: Superposition Theorem:   A  circuit with multiple voltage and current sources is equal to the sum of…

Q: Two tubes of gas are identical and are open only at one end. One tube contains neon (Ne) and the…

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Q: 5. A pipe with one end open and one end closed produces a fifth harmonic frequency of 1760 Hz at 20…

A: Answer is Option (c) The expression for find length of the pipe is f5=5v2LL=5v2f

Q: . Find the fundamental frequency and the first three overtones for a 20-cm pipe at 20°C if the pipe…

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Q: A piezoelectric crystal has a length of 4 ×10-3 m and density 3 × 103 Kg/m3. Calculate its…

A: Given: Length l=4×10-3mDensity ρ=3×103kg/m3Young's modulus E=8.2×1010N/m2

Q: The impedance of a material is Z=pc, the density times the speed of sound. Consider the following…

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Q: A power level of 50 uW could be expressed as: (a) 1.69 dBm (b) -4.3 dBm (c) 1 dBm (d) -13 dBm

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A feedback amplifier has a low-frequency loop gain of 5000 and three poles at fpl 300kHz, fp₂ = = =…

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