Homework Answers
On many musical instrument such as guitar, flute standing waves are produced.
The frequency is directly proportional to the speed of the wave.On increasing the speed frequency increases.
High frequency sound has more number of repetitions per unit time whereas low frequency sound has low number of repetitions per unit time.
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Problem 5 Describe how the sound of a symphony played by an orchestra would be altered...
Problem 1 A doctor is checking your hearing in a slightly chilly exam room (T-18 c)....
Problem 1 A doctor is checking your hearing in a slightly chilly exam room (T-18 c). a) What is the speed of sound in this exam room? (10pts) b) if the period of the lowest frequency sound you can hear is 0.0005s, what is the frequency of this sound? Has your hearing been affected in some way? How do you know? (15pts) c) What is the wavelength of the sound in this exam room? (10pts)
Sound Waves- In class Qui 1. What is the frequency heard by a person driving at...
Sound Waves- In class Qui 1. What is the frequency heard by a person driving at 15 m's toward a blowing factory whistle C the speed of sound is 340.6 m/s? (800. Hz) if 2. F rom the previous problem, what frequency would he hear after passing the factory if he continues at the same speed? 3. Determine the speed of a wave that is travelling with a frequency of 400Hz and has a wavelength of 45m. 4. A cop...
PHET Sound Simulation Purpose - To explore sound (a longitudinal wave) and how it can be modeled ...
PHET Sound Simulation Purpose - To explore sound (a longitudinal wave) and how it can be modeled as a transverse wave Obtain com puter with PHET software on it. Get headphones if possible and plug into sound port. Open PHET simulations and find Sound and Waves simulations. Open the simulation called "Sound". There are 5 tabs. Listen to a Measure Two Source Interference Listen with Interference by Reflection Varying Air Pressure Single Source Open the one called listen to a...
xV 1b f(ms) -0.5 -1.08 The diagram shows the representation of a sound produced in a...
xV 1b f(ms) -0.5 -1.08 The diagram shows the representation of a sound produced in a closed-ended tube, whose length is 24 cm. Remember that the length of the tube is % of the wavelength, the period is the total time divided by the number of wawes or cycles, the frequency is the inverse of the period, and the equation to be used is y rif A) Determine the fundamental frequency B) Determine the wavelength C) Determine the speed of...
Problem 1: Birds on tree One bird can sing with the sound intensity level of 5...
Problem 1: Birds on tree One bird can sing with the sound intensity level of 5 dB measured by the listener near the tree. Suppose there are many birds on the tree which all sing in phase with the same amplitude and frequency. The same listener measures the sound intensity level 25 dB at the same position as before. How many birds arc there on the trec? (i) 10 (ii) 25 iv) 50 v) 100
(5) A sound wave of frequency f is normally incident on two narrow windows, separated by...
(5) A sound wave of frequency f is normally incident on two narrow windows, separated by a distance d. If a listener is standing a distance D beyond the windows on the midline, how far must she move laterally to be standing at the first interference minimum? Take the speed of sound to be v. [20 pts]
Part C please (13%) Problem 2: Consider an object that generates a constant sound frequency off=1700...
Part C please
(13%) Problem 2: Consider an object that generates a constant sound frequency off=1700 Hz. ~ 33% Part (a) A second wave of lower frequency was emitted and interfered with the first. In t= 45 s, n; = 42 beats were heard. What is an expression for the frequency (2) of the second sound wave? f2=f-ny/t ✓ Correct! 33% Part (b) If a new sound wave with wavelength 1 interferes with the initial sound wave (of frequency f),...
Question 2 Explain how the inner ear would process the sound wave from the middle ear....
Question 2 Explain how the inner ear would process the sound wave from the middle ear. Enter Answer Question 3 Relating the sense of equilibrium with the question above. How would the inner ear deal with the imbalance of balance, such as when we travel in a plane, or spinning? Question 4 Recall from BIOL 241, name the nerves that would innervate with the inner ear structure. Be sure to identify the function of these innervation. Enter Answer Question 5...
A whale emits of sound of 50Hz to tell a wayward calf to catch up to...
A whale emits of sound of 50Hz to tell a wayward calf to catch up to the pod. The whale is moving due East at 5 m/s while the calf (1.2 Km away) is moving due West at 4 m/s. The speed of sound in water is 1500 m/s and the speed of sound in air is 340 m/s. a) How long does it take the sound to reach the calf? What is the frequency of the sound received by...
Kindly help with the attached question. Problem 5 (6.6). Describe how you would test for the fairness of a coin with a 9...
Kindly help with the attached question.
Problem 5 (6.6). Describe how you would test for the fairness of a coin with a 95 percent confidence interval on the probability that the coin will come up heads.
Problem 1 A doctor is checking your hearing in a slightly chilly exam room (T-18 c). a) What is the speed of sound in this exam room? (10pts) b) if the period of the lowest frequency sound you can hear is 0.0005s, what is the frequency of this sound? Has your hearing been affected in some way? How do you know? (15pts) c) What is the wavelength of the sound in this exam room? (10pts)
Sound Waves- In class Qui 1. What is the frequency heard by a person driving at 15 m's toward a blowing factory whistle C the speed of sound is 340.6 m/s? (800. Hz) if 2. F rom the previous problem, what frequency would he hear after passing the factory if he continues at the same speed? 3. Determine the speed of a wave that is travelling with a frequency of 400Hz and has a wavelength of 45m. 4. A cop...
PHET Sound Simulation Purpose - To explore sound (a longitudinal wave) and how it can be modeled as a transverse wave Obtain com puter with PHET software on it. Get headphones if possible and plug into sound port. Open PHET simulations and find Sound and Waves simulations. Open the simulation called "Sound". There are 5 tabs. Listen to a Measure Two Source Interference Listen with Interference by Reflection Varying Air Pressure Single Source Open the one called listen to a...
xV 1b f(ms) -0.5 -1.08 The diagram shows the representation of a sound produced in a closed-ended tube, whose length is 24 cm. Remember that the length of the tube is % of the wavelength, the period is the total time divided by the number of wawes or cycles, the frequency is the inverse of the period, and the equation to be used is y rif A) Determine the fundamental frequency B) Determine the wavelength C) Determine the speed of...
Problem 1: Birds on tree One bird can sing with the sound intensity level of 5 dB measured by the listener near the tree. Suppose there are many birds on the tree which all sing in phase with the same amplitude and frequency. The same listener measures the sound intensity level 25 dB at the same position as before. How many birds arc there on the trec? (i) 10 (ii) 25 iv) 50 v) 100
(5) A sound wave of frequency f is normally incident on two narrow windows, separated by a distance d. If a listener is standing a distance D beyond the windows on the midline, how far must she move laterally to be standing at the first interference minimum? Take the speed of sound to be v. [20 pts]
Part C please
(13%) Problem 2: Consider an object that generates a constant sound frequency off=1700 Hz. ~ 33% Part (a) A second wave of lower frequency was emitted and interfered with the first. In t= 45 s, n; = 42 beats were heard. What is an expression for the frequency (2) of the second sound wave? f2=f-ny/t ✓ Correct! 33% Part (b) If a new sound wave with wavelength 1 interferes with the initial sound wave (of frequency f),...
Question 2 Explain how the inner ear would process the sound wave from the middle ear. Enter Answer Question 3 Relating the sense of equilibrium with the question above. How would the inner ear deal with the imbalance of balance, such as when we travel in a plane, or spinning? Question 4 Recall from BIOL 241, name the nerves that would innervate with the inner ear structure. Be sure to identify the function of these innervation. Enter Answer Question 5...
Kindly help with the attached question.
Problem 5 (6.6). Describe how you would test for the fairness of a coin with a 95 percent confidence interval on the probability that the coin will come up heads.
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