Can someone please help with these 3 parts?
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Can someone please help with these 3 parts? A sound wave with a pitch of 261.6Hz...
A sound wave with a pitch of 261.6Hz (middle C) is played in a warm concert...
A sound wave with a pitch of 261.6Hz (middle C) is played in a warm concert hall, where the air temperature is 25∘C. A passer-by in the cold winter street outside hears the note coming through a window. The air temperature outside is -5∘C. a.) What will be the frequency of the sound heard outside in the cold air? Give an answer accurate to one decimal point. (Hz) b.)What will be the wavelength of the sound wave in the warm...
The speed of sound in dry air at 20 °C is 343.5 m s1, and the...
The speed of sound in dry air at 20 °C is 343.5 m s1, and the frequency of the sound from the note D# above middle C on the piano is 311.1 s-1 (according to the American standard pitch scale). Calculate the wavelength of the sound and the time it will take to travel 44.0 m across a concert hall. Wavelength- Time Submit Answer Try Another Versior 10 item attempts remaining
Can someone please help with these 2 parts? All I know is part A is NOT...
Can someone please help with these 2 parts? All I know is part A
is NOT "none of the listed objects"
Part a A violinist in an orchestra plays the note middle A (440Hz). Which of the following objects will cast a substantial "sound shadow", blocking the sound of the note from being heard behind the object? Assume room temperature air Select the correct answer O of 3 attempts used O A column, 50cm across O The conductor, approximately 30cm...
Can someone please help with these 2 parts? Part a A violinist in an orchestra plays...
Can someone please help with these 2 parts?
Part a A violinist in an orchestra plays the note middle A (440Hz). Which of the following objects will cast a substantial "sound shadow", blocking the sound of the note from being heard behind the object? Assume room temperature air Select the correct answer O of 3 attempts used O A column, 50cm across O The conductor, approximately 30cm across CHECK ANSWER None of the listed objects O All of the listed...
Please help with these problems I don’t know what I am doing wrong A sound wave...
Please help with these problems I don’t know what I am doing
wrong
A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in wavelength when the wave, initia region where T-11.00. 2.55 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. mm I Need...
A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in...
A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in wavelength when the wave, initially traveling in a region where T 27.0°C, enters a region where T- 11.0°C. 2.55 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. mm Need Help? Read МУ Notes...
The sinusoidal function represented in this plot is in the form y=A*cos(ωt+ϕ). Please help on parts...
The sinusoidal function represented in this plot is in the form
y=A*cos(ωt+ϕ). Please help on parts a-c.
6 4 2 2 3 4 time Part a What is A? Enter answer here 0 of 3 attempts used CHECK ANSWER Part b What is w? Enter answer here 0 of 3 attempts used CHECK ANSWER Part c What is ? There are many answers possible after all you can always add or subtract π from the argument of a cos function...
Please help with part C Question 15 This question contains multiple parts. Make sure to read...
Please help with part C
Question 15 This question contains multiple parts. Make sure to read all the instructions and answer each part. BONUS QUESTION! A doppler fetal monitor is a hand-held ultrasound device that is used to detect a fetal heartbeat in prenatal care. The device works by measuring the speed of the fetus's ventricular wall and thereby tracking its heartrate. Part a Suppose the fetus's ventricular wall moves back and forth in a pattern approximating simple harmonic motion...
Feedback: -Check the units carefully, particularly inside the trig function. Hints: -What function describes a wave...
Feedback:
-Check the units carefully, particularly inside the trig
function.
Hints:
-What function describes a wave traveling in the positive
x-direction that starts with a positive displacement of
smax?
-Be very careful how you calculate this - if you approximate π as
3.14 you may not be accurate enough, since you are evaluating a
trig function of a very small value.
-Watch the units - your calculate must be set in radians!
Smax (13%) Problem 6: A periodic vibration at...
Please answer all parts of Part (b) please only answer if you can do so correctly,...
Please answer all parts of Part (b)
please only answer if you can do so correctly, and
showing working out.
Question 4 (a) A sound wave with a frequency of 250 Hz is transmitted through air at 25° C (298.2K). The specific gas constant for air is 287 J/kg K, and the specific heat ratio is y = 1.40. Determine: (i) (ii) The speed of sound, The wavelength, The wave number, The angular frequency for this condition. (iii) (iv) [8...
The speed of sound in dry air at 20 °C is 343.5 m s1, and the frequency of the sound from the note D# above middle C on the piano is 311.1 s-1 (according to the American standard pitch scale). Calculate the wavelength of the sound and the time it will take to travel 44.0 m across a concert hall. Wavelength- Time Submit Answer Try Another Versior 10 item attempts remaining
Can someone please help with these 2 parts? All I know is part A
is NOT "none of the listed objects"
Part a A violinist in an orchestra plays the note middle A (440Hz). Which of the following objects will cast a substantial "sound shadow", blocking the sound of the note from being heard behind the object? Assume room temperature air Select the correct answer O of 3 attempts used O A column, 50cm across O The conductor, approximately 30cm...
Can someone please help with these 2 parts?
Part a A violinist in an orchestra plays the note middle A (440Hz). Which of the following objects will cast a substantial "sound shadow", blocking the sound of the note from being heard behind the object? Assume room temperature air Select the correct answer O of 3 attempts used O A column, 50cm across O The conductor, approximately 30cm across CHECK ANSWER None of the listed objects O All of the listed...
Please help with these problems I don’t know what I am doing
wrong
A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in wavelength when the wave, initia region where T-11.00. 2.55 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. mm I Need...
A sound wave propagating in air has a frequency of 4.03 kHz. Calculate the change in wavelength when the wave, initially traveling in a region where T 27.0°C, enters a region where T- 11.0°C. 2.55 Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. mm Need Help? Read МУ Notes...
The sinusoidal function represented in this plot is in the form
y=A*cos(ωt+ϕ). Please help on parts a-c.
6 4 2 2 3 4 time Part a What is A? Enter answer here 0 of 3 attempts used CHECK ANSWER Part b What is w? Enter answer here 0 of 3 attempts used CHECK ANSWER Part c What is ? There are many answers possible after all you can always add or subtract π from the argument of a cos function...
Please help with part C
Question 15 This question contains multiple parts. Make sure to read all the instructions and answer each part. BONUS QUESTION! A doppler fetal monitor is a hand-held ultrasound device that is used to detect a fetal heartbeat in prenatal care. The device works by measuring the speed of the fetus's ventricular wall and thereby tracking its heartrate. Part a Suppose the fetus's ventricular wall moves back and forth in a pattern approximating simple harmonic motion...
Feedback:
-Check the units carefully, particularly inside the trig
function.
Hints:
-What function describes a wave traveling in the positive
x-direction that starts with a positive displacement of
smax?
-Be very careful how you calculate this - if you approximate π as
3.14 you may not be accurate enough, since you are evaluating a
trig function of a very small value.
-Watch the units - your calculate must be set in radians!
Smax (13%) Problem 6: A periodic vibration at...
Please answer all parts of Part (b)
please only answer if you can do so correctly, and
showing working out.
Question 4 (a) A sound wave with a frequency of 250 Hz is transmitted through air at 25° C (298.2K). The specific gas constant for air is 287 J/kg K, and the specific heat ratio is y = 1.40. Determine: (i) (ii) The speed of sound, The wavelength, The wave number, The angular frequency for this condition. (iii) (iv) [8...
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