3.4, 3.5 and 3.6 3Wave propertiesA sinusoidal wave, graphed above at time t = 0 seconds, travels right with velocity 8.0 m/s.Being sure to specify units...t = 0yv = 8 m/s-7 mProblem 3.1. What is this wave's amplitude ym?Problem 3.2. What is its wavelength X?Problem 3.3. What is its wavenumber k?Problem 3.4. What is its period T?Problem 3.5. What is its frequency f?Problem 3.6. What is its angular frequency w?5 mx

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Answered: 3 Wave properties A sinusoidal wave,…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 33P: A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels...

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Many of the topics discussed in this chapter are useful beyond the topics of mechanical waves. It is hard to conceive of a mechanical wave with sharp corners, but you could encounter such a wave form in your digital electronics class, as shown below. This could be a signal from a device known as an analog to digital converter, in which a continuous voltage signal is converted into a discrete signal or a digital recording of sound. What is the result of the superposition of the two signals?
Consider two waves y1(x,t) and y2(x,t) that are identical except for a phase shift propagating in the same medium. (a)What is the phase shift, in radians, if the amplitude of the resulting wave is 1.75 times the amplitude of the individual waves? (b) What is the phase shift in degrees? (c) What is the phase shift as a percentage of the individual wavelength?
A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels in air at a speed of v=343.00 m/s. (a) What is the wave number of the sound wave? (b) What is the value for P(3.00 m, 20.00 s)?
Consider two wave functions y1(x,t)=Asin(kxt) and y2(x,t)=Asin(kx+t+) . The resultant wave form when you add the two functions is yR=2Asin(kx+2)cos(t+2) . Consider the case where A=0.03m1,k=1.26m1,=s1 , and =10 . (a) Where are the first three nodes of the standing wave function starting at zero and moving in the positive x direction? (b) Using a spreadsheet, plot the two wave functions and the resulting function at time t=1.00 s to verify your answer.
A pulse moving along the x axis can be modeled as the wave function y(x,t)=4.00me( x+( 2.00m/s )t 1.00m)2 . (a)What are the direction and propagation speed of the pulse? (b) How far has the wave moved in 3.00 s? (c) Plot the pulse using a spreadsheet at time t=0.00 s and t=3.00 s to verify your answer in part (b).
In an attempt to find the frequency of a wave is drawn, the time base was set to 5 ms per division and a trace of the waveform is as shown. What is the frequency? O A. 16.7 Hz O B. 33.3 Hz O C. 50.0 Hz O D. 100 Hz
If the periodic time of triangle wave is determined to be 10 microseconds, what is the frequency of the wave? Select one:a. 1000 Hzb. 100 Hzc. 100 kHzd. 10 kHz
3 Wave properties A sinusoidal wave, graphed above at time t = 0 seconds, travels right with velocity 8.0 m/s. Being sure to specify units... t = 0 y v = 8 m/s -7 m Problem 3.1. What is this wave's amplitude ym? Problem 3.2. What is its wavelength \? Problem 3.3. What is its wavenumber k? 5 m x
Answer the following questions about complex waveforms: A. Explain how a complex wave is generated. B. What is the main difference between a simple wave form (sine wave) and a complex waveform? And what is the method used to break the complex waveform in to its sinusoidal component? C. Write an example of a complex sine wave (Support your answer by drawing).
Problems 9 & 10 refer to the 60 cm string, driven by a variable motor, portrayed in the figure on the right. When the motor drives the system at 45 Hz, the string creates the standing wave pattern showm. 60 cm 9. What is the wave speed for this medium? А. 60 m/s B. 48 m/s C. 30 m/s D. 18 m/s 9. 10. At what frequency should the motor be set to create a standing wave pattern with 8 anti-nodes (8 footballs)? A. 8 Hz В. 50 Hz С. 105 Hz D. 120 Hz 10.
For items 1-2, choose only one correct answer. 1. What is the speed of sound when the temperature is 39°C in aluminum? A. 5119.2 m/s B. 5122.2 m/s C. 5123.4 m/s D. 5127.4 m/s 2. What is the gravitational field strength in N/kg on the surface of the sun? Given: r= 6.96x10^8 m m= 1.99x10^30 kg A. 1.6 B. 9.8 C. 127 D. 274
QUESTION 6 Which of the following statements correctly describe dispersive waves? a. In the dispersion relation a=ck, the velocity of the propagating wave is independent of the wave number k. b. In the dispersion relation w =ck, the frequency of the propagating wave is depending on the wavelegth O c. In the dispersion relation m=ck the velocity of the propagating wave is depending on the wave number . d. In the dispersion relation w=ck, the frequency of the propagating wave is independent of the wavelength À.

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