age of 24 Question 24 ✓ Saved How does noise cancelling headphone work? Explain in detail and give an occupation that need noise cancelling headphone. (3)

Q: We learned with sound waves that the standard unit of measurement is the frequency. Since frequency…

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Q: s for the attenuation coefficient and th

A: The linear attenuation coefficient, attenuation coefficient, or narrow-beam attenuation…

Q: Ex. 84 A set of 12 tuning fork 1s increasing order of frequencies. Each fork produce 'X'…

A: Given,  number of tuning forks is 12 Each fork produces an 'X' beats/second with the previous one.…

Q: If your microwave oven generates electromagnetic waves with a frequency of 2.5 GHz, what distance…

A: The relation between frequency and wavelength of electromagnetic wave is given by, λ = c/f  Where, λ…

Q: connected to a cathode ray oscilloscope, shows that the air pressure varies with time as shown…

A: The time period is required to complete one complete oscillation. So here , time period = 0.0025s…

Q: You toss a coin into a wishing well and hear the splash 1.3 seconds later. If the coin was initially…

A: Step 1: Step 2: Step 3: Step 4:

Q: A7- In the scheme of analogies between electrical circuits and mechanical oscillators, the charge on…

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Q: 6) A "bang" is heard in the form of an echo. If the flat surface from the reflected sound is 300-m…

A: Solution: as given that flat surface from source =300 m distacne between soruce and you =150 m

Q: While people stand on a corner, a police car with a 1.2 kHz siren drives past the people at 43 m/s…

A: Given: Actual Frequency(f)=1.2kHz=1200Hz Speed of sound(V)=340m/s Speed of car (Vs)=43m/s To find:…

Q: A tuning fork vibrates  512 times in 2 seconds?   a. 200 Hz   b. 256 Hz   c. 113.6 Hz   d.…

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Q: An explosion occurs 680 m away. Given that sound travels at 340 m/s, the time the sound takes to…

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Q: Suppose you have a device that extracts energy from ocean breakers in direct proportion to their…

A: Given, when breaker is 1.20 m high then device produces 18.0 kW

Q: Describe by equations, the relation between the following 1- Period and angular frequency 2-angular…

A: The time taken for a medium particle to complete one vibration is referred to as the wave's time…

Q: fis constant. A B VAC -Vo Which of the following statement is the correct answer to describe Fig. A.…

A: The phenomenon of emission of electrons from the surface of the metal when illuminated by the light…

Q: You are standing on the sidewalk when a police car using a siren drives toward you and then away…

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Q: A lost boycries for help next to the cliff and the echo of his voice took 3s to return to him,the…

A: Given, Time taken by echo to reach , t = 3s We know that speed of sound = 343m/s. Let the distance…

Q: An ambulance is passing you by with sirens on. Choose the correct statement about the frequency of…

A: The mathematical equation for calculating the frequency of when the ambulance is moving away from…

Q: * Communicating with Mars Imagine that you have a vehicle traveling on Mars. The shortest distance…

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Q: Explain the term acoustic impedance?

A: The resistance to the propagation of ultrasound waves through tissues is known as acoustic…

Q: If a thunder is heard by a man 5 seconds after the lightning is seen , how far is the lightning from…

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Q: On a separate sheet of paper, solve the following problems. 1. If you shout across a canyon, and you…

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Q: 24 9- Calculate the maximum frequency allowed fora crystal if you know that the mass of the atom is…

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Q: 13) which of the following is the maximum amplitude that an action potential will reach? a) action…

A: Given : To choose the maximum amplitude an action potential can reach.

Q: A student standing 100 m from the school building shouts and records an echo 0.58s later. a)…

A: Given data: Distance d= 100m time t=0.58s

Q: explain what happens when the input amplitude is varied?

A: Amplitude is the maximum displacement of the oscillating object or particle from its equilibrium…

Q: The speed sound in air depends on the of the air. wavelength temperature frequency amplitude

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Q: Janine is thinking about jumping off a cliff into a lake. The cliff is 20 m high and she is curious…

A: Given : Initial position of rock (yo) = Height of cliff  Therefore , yo = 20 m Initial speed (vo) =…

Q: How far away is the mesa?

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Q: Please solve and answer the question correctly please. Be sure to give the correct units and…

A: The final answer is: k=287.7 N/m ork=287.7 Nm−1 Explanation:Step 1:We are given that:The mass of 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: use it to calculate a frequency table for variable C. Do the frequencies in the table you calculated…

A: For this problem the data table given is to be analyzed and counted for the frequencies for the…

Q: Compare the following two waves a microwave moving through space with a wavelength and a sound wave…

A: Given:-  The microwave wavelength is λ = 15 cm  the sound wave  has the same wavelength λ = 15 cm…

Q: Lithotripsy is a procedure that uses high frequency sound waves to destroy kidney stones. Explain…

A: It is required to describe the physics behind the use of high-frequency sound waves to destroy…

Q: You notice two birds, sitting in an elm tree very close to each other and at exactly the same…

A: Sound travels through any medium in the form of compression waves. These sound waves are thus…

Q: the acceleration. Background Information Since a bell-clapper vibrated at regular intervals of time,…

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