A flutist assembles her flute in a room where the speed of sound is 342 m/s...
A flutist assembles her flute in a room where the speed of sound is 342 m/s . When she plays the note A, it is in perfect tune with a 440 Hz tuning fork. After a few minutes, the air inside her flute has warmed to where the speed of sound is 343 m/s.
How many beats per second will she hear if she now plays the note A as the tuning fork is sounded?
How far does she need to extend the "tuning joint" of her flute to be in tune with the tuning fork?
Homework Answers
Here we have used basic
formulae to find out the beat frequency and length for tuning
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A flutist assembles her flute in a room where the speed of sound
is 342 m/s...
A flute player hears four beats per second when she compares her note to a 523...
A flute player hears four beats per second when she compares her note to a 523 Hz tuning fork (the note C). She can match the frequency of the tuning fork by pulling out the "tuning joint" to lengthen her flute slightly. What was her initial frequency?
Jennifer is using a tuning fork to tune her fifth guitar string, which should be at...
Jennifer is using a tuning fork to tune her fifth guitar string, which should be at a frequency of 110 Hz, or note A2 in music terms. When she rings the tuning fork and plucks her guitar string, she hears 8 beats/s. Note: parts (a) and (b) require absolute accuracy. Your answer must be exactly correct-not just within 5% (a) What are the two possible frequencies of Jennifer's guitar string? fmAx Number Units Number Units min (b) When Jennifer loosens...
Jennifer is using a tuning fork to tune her fifth guitar string, which should be at...
Jennifer is using a tuning fork to tune her fifth guitar string, which should be at a frequency of 110 Hz, or note A2 in music terms. When she rings the tuning fork and plucks her guitar string, she hears 8 beats / s. Note: parts (a) and (b) require absolute accuracy. Your answer must be exactly correct--not just within 5%. (a) What are the two possible frequencies of Jennifer's guitar string? Fmax = Number Units f min = Number...
FREE RESPONSE 1 Players of wind instruments know that it is important to warm-up their instruments...
FREE RESPONSE 1 Players of wind instruments know that it is important to warm-up their instruments for them to play in tune- that is at the desired frequency. A "cold" flute plays a fundamenta frequency of note A at 440 Hz when the air temp is 20 degrees C (A) How long is the tube...(At 20 degrees C 30cn the epeed of sound in air is 343 m/s) A flute l an open-open tube meter (B) Astho plyer blows air...
A tuning fork vibrating at 512 Hz falls from rest and accelerates at 9.80 m/s 2...
A tuning fork vibrating at 512 Hz falls from rest and accelerates at 9.80 m/s 2 . How far below the point of release is the tuning fork when waves of frequency 485 Hz reach the release point? Hint: The speed of sound is 343 m/s
Please explain and show how to do the exercise (at the bottom), parts b and c....
Please explain and show how to do the exercise (at the bottom),
parts b and c. Explain what you are substituting in the Doppler
equations and why. Also please explain what signs you have to
use.
EXAMPLE 14.11 Sour Notes Goal Apply the beat frequency concept. Problem A certain piano string is supposed to vibrate ning, what beat frequency is observed by the assistant? at a frequency of 4.40 X 102 Hz. To check its frequency, Note: Assume all numbers...
I need help with this 4 problems. I'll appreciate if you can do them. Thank you!!...
I need help with this 4 problems. I'll appreciate if you can do
them.
Thank you!!
2. Two tuning forks are producing sounds of wavelength 34.12 cm and 33.94 cm simultaneously. How many beats do you hear each second? 3. A violinist is tuning her instrument to concert A (440.0 Hz). She plays the note while listening to an electronically generated tone of exactly 440.0 Hz and hears 3.000 beats a second. What two possible frequencies could be coming from...
To measure her speed, a skydiver carries a buzzer emitting a steady tone at 1 800...
To measure her speed, a skydiver carries a buzzer emitting a steady tone at 1 800 Hz. A friend on the ground at the landing site directly below listens to the amplified sound he receives. Assume the air is calm and the speed of sound is independent of altitude. While the skydiver is falling at terminal speed, her friend on the ground receives waves of frequency 2 172 Hz. (Use 343 m/s as the speed of sound.) (a) What is...
Sam plays on her violin the concert A with frequency 440 Hz. Brian is at a...
Sam plays on her violin the concert A with frequency 440 Hz. Brian is at a distance of 5.0 m from Sam, playing on a flute at the same frequency. Sam remains stationary, while Brian is in motion. (a) If Brian moves according to x (t) = 5+0.45 t2, how much time passes before Sam hears a beat frequency of 15 beats/s? Do not forget to include the time it takes for sound to travel to Sam. (b) If Brian...
Compare the distance traveled in 6.00 s as a given sound moves through (a) water at...
Compare the distance traveled in 6.00 s as a given sound moves through (a) water at 25.0 degree C and (b) seawater at 25.0 degree C. A submarine sends a sonar signal, which returns from another ship 2.250 s later. How far away is the other ship if the speed of sound in seawater is 1, 530.0 m/s? A 520 Hz tone is sounded at the same time as a 516 Hz tone. How many beats per second will you...
Jennifer is using a tuning fork to tune her fifth guitar string, which should be at a frequency of 110 Hz, or note A2 in music terms. When she rings the tuning fork and plucks her guitar string, she hears 8 beats/s. Note: parts (a) and (b) require absolute accuracy. Your answer must be exactly correct-not just within 5% (a) What are the two possible frequencies of Jennifer's guitar string? fmAx Number Units Number Units min (b) When Jennifer loosens...
Jennifer is using a tuning fork to tune her fifth guitar string, which should be at a frequency of 110 Hz, or note A2 in music terms. When she rings the tuning fork and plucks her guitar string, she hears 8 beats / s. Note: parts (a) and (b) require absolute accuracy. Your answer must be exactly correct--not just within 5%. (a) What are the two possible frequencies of Jennifer's guitar string? Fmax = Number Units f min = Number...
FREE RESPONSE 1 Players of wind instruments know that it is important to warm-up their instruments for them to play in tune- that is at the desired frequency. A "cold" flute plays a fundamenta frequency of note A at 440 Hz when the air temp is 20 degrees C (A) How long is the tube...(At 20 degrees C 30cn the epeed of sound in air is 343 m/s) A flute l an open-open tube meter (B) Astho plyer blows air...
Please explain and show how to do the exercise (at the bottom),
parts b and c. Explain what you are substituting in the Doppler
equations and why. Also please explain what signs you have to
use.
EXAMPLE 14.11 Sour Notes Goal Apply the beat frequency concept. Problem A certain piano string is supposed to vibrate ning, what beat frequency is observed by the assistant? at a frequency of 4.40 X 102 Hz. To check its frequency, Note: Assume all numbers...
I need help with this 4 problems. I'll appreciate if you can do
them.
Thank you!!
2. Two tuning forks are producing sounds of wavelength 34.12 cm and 33.94 cm simultaneously. How many beats do you hear each second? 3. A violinist is tuning her instrument to concert A (440.0 Hz). She plays the note while listening to an electronically generated tone of exactly 440.0 Hz and hears 3.000 beats a second. What two possible frequencies could be coming from...
Compare the distance traveled in 6.00 s as a given sound moves through (a) water at 25.0 degree C and (b) seawater at 25.0 degree C. A submarine sends a sonar signal, which returns from another ship 2.250 s later. How far away is the other ship if the speed of sound in seawater is 1, 530.0 m/s? A 520 Hz tone is sounded at the same time as a 516 Hz tone. How many beats per second will you...
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