What is Tuning: Definition and 136 Discussions

Homework Statement This is the final part of an experiment involving a tuning fork - the instructions say to cut a hole in a piece of cardboard (half an inch wide by the length of the tine) And then it just asks to strike the tuning fork and move it over the opening. We need to describe what...

Hi everyone, just me doing my regular Thursday Physics homework and looking for someone to check my work. Homework Statement A tuning fork with a frequency of f=528Hz is placed near the top of a tube. The water level is lowered so that the length L slowly increases from an initial value of...

Algebra - "Quartz Tuning Fork" Watch Homework Statement Many modern watches operate based on a small quartz tuning fork which transduces a mechanical oscillation into an electrical signal. The frequency of the tuning fork is inversely proportional to sqrt(l), with l being the length of the...

I am confused by the design of an AM radio tuning circuit--a circuit that we will build and test in an upcoming lab. (See the attached image for the schematic given to us in the lab description.) According to the schematic, aren't all of the tuning components in parallel? If they are in...

Homework Statement A musicians tuning fork rings at A above middle C, 440Hz. A sound meter level meter indicates the sound intensity decreases by a factor of 5 in 4 seconds. What is Q of the tuning fork? Homework Equations Q=\frac{\omega}{2\beta}...

We have a single cylinder 500 cc petrol bike engine. It's maximum power output is 27bhp( max) and the max rpm of the engine is 5000 rpm. We need to tune the engine to MAP it accordingly. We are thinking to use a generator to convert the mechanical power into electrical power. I need help on...

I'm trying to get a steel tuning fork to remain vibrating at its designed frequency using an electromagnet. Is there any correlation between the strength of the electromagnet and frequency of the tuning fork, or is it more dependent upon the type of steel, size of the fork, distance, etc, etc..?

Hi, Would it be possible to simulate the sound of a musical instrument such as a clarinet by finding the Fourier series of the waveform and then hitting a bunch of tuning forks with the corresponding frequencies and amplitudes?

Homework Statement A tunning fork with frequency f = 512 Hz is held by someone who swings it vigurously in a circle in the horizontal plane. The radius of the circle is 1.0 m, and the frequency of revolution is 3.0 rev/s. (a) What are the max and the min frequencies that a second person...

Homework Statement A tuning for, fork A, is struck and rings with a frequency of 1000Hz, emitting a power of 4x3.14159 x10^-6 a)what is the intensity of the sound, in w/m^2, that would be measured 1.0 from the tuning fork? assume that the tuning fork approximates a point source? b)...

hello. ok so i know that if you have two tuning forks of the same natural frequency, one can stimulate the same frequency to another and resonance is achieved. but what if I have a 100 Hz tuning fork and say maybe a 180 Hz tuning fork. If a strike the 100 Hz one, how will the other one be...

What do people mean when they say that mass renormalization of scalar field theories confronts us with a fine tuning problem. It's said the divergence in the mass of a scalar field is quadartic, rather than logarithmic, this poses a fine tuning problem. Why and how, and what does that mean...

Homework Statement A man strikes a 460. Hz tuning fork and moves away from you and towards the blackboard at a constant velocity of 3.80 m/s. What beat frequency do you hear if the velocity of sound on that day is 340 m/s? Homework Equations The Attempt at a Solution Since...

[SOLVED] Resonance - Tuning fork volume Homework Statement A narrow plastic pipe is almost completely submerged in a graduated cylinder full of water, and a tuning fork is held over its open end. The pipe is slowly raised from the water/ An increase in loudness of the sound is heard when the...

Homework Statement Pulsed lasers used for science and medicine produce very brief bursts of electromagnetic energy. If the laser light wavelength is 532 nm, and the pulse lasts for 37 ps, (a) how many wavelengths are found within the laser pulse? (b) How brief would the pulse need to be to...

Homework Statement A tuning fork is held over the top of a graduated cylinder that is slowly filled with water. Resonances are noted when the water level is 56.5cm and 17.5cm below the rim. Note that there is an end correction , meaning that the effective length of the air column is longer...

Homework Statement A tuning fork of frequency 512 Hz is used to generate a standing wave pattern in a closed pipe, 0.850m long. A strong resonant note is heard indicating that an antinode is located at the open end of the pipe. frequency = 512Hz length = 0.850m a - What are the...

Homework Statement My teacher did NOT tell us how to do this. A Herschel tube is used to determine the frequency of a tuning fork held at the inlet. The temperature is 28 degrees Celsius and the initial path lengths around each side are 75 cm each. The right hand side is now extended as the...

"Tuning" Physcs curriculum? This month's Physics Today had an article about the Bologna Process- a comprehensive reform of the EU's higher education system. There was also a brief bit about how that process can be implemented in the US. Two things stood out (to me): 1) European students...

Homework Statement A trumpet is essentially an open air column. Assuming that it is tuned inside a warm building. When it is taken outside for a parade on a cold day, what will happen to the sound from the instrument? Homework Equations The Attempt at a Solution -so outside the...

1. Assuming the pitchfork is the same in the following three cases, put them in order of decreasing frequency (e.g., a>b>c) a. pitchfork with clamp on top b. pitchfork without clamp c. pitchfork with clamp on the middle (Hint: Although it is not exactly like...

Homework Statement A long tube open at both ends is submerged in a beaker of water, and the vibrating tuning fork is placed near the top of the tube. The length of the air column, L, is adjusted by moving the tube vertically. The sound waves generated by the fork are reinforced when the...

Homework Statement A tuning fork w/ frequency of 256 Hz sounded w/ another tuning fork w/ unknown frequency produces 30 beats in 10 seconds. Then, one tine is covered in plasticine and sounded again w/ the unknown frequency tuning fork and produces 20 beats in 10s. What is the frequency of...

This topic has proved itself to be a hard one in, in terms of looking it up online. I'm interested in simple harmonic motion, in specific that of a tuning fork vibrating between two electromagnetic devices, a microphone ad a detector. My main interest in it is to write a lab report about an...

A tuning fork oscillates with simple harmonic motion described the equation: x = 0.00150cos(2770t) (where t is seconds) a) calculate the frequency in Hz of the tuning fork b) Suggest why only this tuning fork (taken from a set of 10 forks) gets louder when held above a glass bottle full...

Homework Statement Sally and Tim are using a closed air column to determine the speed of sound in the classroom. They hear a resonant length 51 cm from the top of the tube then another one when the water is 68 cm from the top of the tube by vibrating a 1024 Hz tuning fork over the column. What...

On page 109 of David Adamy's book EW 101: A First Course in Electronic Warfare there is the following comment: I'm not sure exactly why the tuning rate "must" not exceed this value...can anyone clear this up for me? Maybe this is something really simple and I am just missing it...

Beat frequencies/tension force of violin strings while tuning--please help Homework Statement To tune your violin, you first tune the A string to the correct pitch of 440 Hz, and then you bow both it and the adjoining string simultaneously, all the while listening for beats. While bowing the...

Homework Statement Two tuning forks are struck and the sounds from each reach your ears at the same time. One sound has a frequency of 256 Hz, and the second sound has a frequency of 258 Hz. The underlying "hum" frequency that you hear is: A. 2 Hz B. 256 Hz C. 258 Hz D. 257 HzHomework...

Homework Statement A 0.0120 kg, 2.05 m long wire is fixed at both ends and vibrates in its simplest mode under a tension of 202 N. When a tuning fork is placed near the wire, a beat frequency of 5.10 Hz is heard. What are the possible frequencies of the tuning fork? (enter the smaller...

I read that quartz crystal vibrates at a frequency of 32768... ( this statement would imply that all quartz is set at this specific frequency ) Then I read that they have to continue to blast the quartz with different frequencies until they get the frequency they want it at... ( this...

Susy has been offered as a way to stabilize the Higgs sector from radiative corrections, on the argument that w/o SUSY the higgs expansion would have to be fine-tuned to 32 decimal places. But string theory landscape posits 10^500 different compactification schemes w/anthropic principle...

Apparently extensive music theory of European, Hellenistic and ancient world is beyond my current depth. However, it seems reasonable to expect that western musical notes have a substantive physical basis in addition to relative consistency and obvious physical parameters. Obvious...

Homework Statement To check the frequency of an unknown tuning fork, it is struck with one that vibrates at 256 Hz. While they vibrate together, beats with a period of 2 seconds are heard. What are the two possible frequencies for the unknown fork? Homework Equations f1-f2 = beats...

1. A tuning fork has a frequency of 440 Hz. If another tuning fork of slightly lower pitch is sounded at the same time, 5.0 beats per second are produced. What is the frequency of the second tuning fork? 2. change of f = absolute value of f2 - f1 3. change of f = absolute value of...

Good day everyone I'm implementing a speed controller for a DC motor 220 v 2.7 A 1500 rpm. I've already made and tested the firing circuit and the motor works fine in an open loop. Now big problem the parameters of the motor are unknown and impossible to find. No time for mechanical...

Homework Statement Name the two lowest resonant frequencies of a tuning fork; each tine is 18 cm long. Speed of wave is 420m/s... ignoring metal thickness. Homework Equations F= Velocity/Wavelength; l= wavelength/2, l= wavelength, l= 3/2wavelength, l= 2wavelength, l= 5/2wavelength...

Homework Statement The problem asks to find the wavelength of a tuning fork with 1000Hz frequency. Then they give you two consecutive resonant lengths which are 25 cm and 76 cm. The way they measured the resonant lengths is by placing the tuning fork over a tube that has 1 end open and 1...

Homework Statement A 40 cm long tube has 40 cm long insert that can be pulled in and out. A vibrating tuning fork is held next to the tube. as the insert is slowly pulled out the sound from the tuning fork creates standing waves in the tube when the total length is 42.5 cm, 56.7 cm, and 70.9...

Homework Statement 1. Water waves in a lake travel 4.4m in 1.8s. The period of oscillation is 1.2 s. a) What is the speed of the water waves? b) What is the period of the water waves? 2. A group of swimmers is resting in the sun on an off-shore raft. They estimate that 2.0m separates...

I know some fine-tuning conditions which must be true in order for our universe, as we know it, to exist, for stars to shine and for the life to develop. For example, * CP violation (otherwise no matter because everything would annihilate) * Diproton (p+p) must be unstable (otherwise stars...

6. A tuning fork is heard to resonate over a resonance tube when the air column is 48.5 cm long and again when it is 68.7 cm long. What is the frequency of the tuning fork if the temperature is 26˚C? I couldn't figure out how to work this. I thought it mattered if it were in a closed or open...

Hi all, First of all, thanks for the great forum ! Second, the question I am about to ask is not homework, but due to my poor level in physics, I thought this part of the forum would be the best. I am a computer scientist, and I would like to make a physical model of the Fender Rhodes piano...

Homework Statement A radio receiver contains an LC circuit whose natural frequency of oscillation can be adjusted, or tuned, to match the frequency of the incoming radio waves. The adjustment is made by means of a variable capacitor. Suppose that the inductance of the circuit is 11.00 μH. What...

I once read that the best way to tune a drum is to first remove all the hardware, until it is just the shell, then hit it with a mallet, and match the frequency it resonates at with a tuning fork, then tune the top head the same frequency, and the bottom head slightly higher. This sounds good...

Homework Statement A tuning fork is set into vibration above a vertical open tube filled with water, as seen in the figure below. http://img207.imageshack.us/img207/5817/dgian1686mm6.gif The water level is allowed to drop slowly. As it does so, the air in the tube above the water...

Hey everyone, I have a question, about singing wine glasses that I just can't seem to find the answer too while searching through different web-pages that google gave me. I'm doing a year end project for my high school physics course, and I decided to do mine on these singing wine glasses...

Homework Statement The frequency of a tuning fork can be found by the method shown in Figure 13-24. A long tube open at both ends is submerged in a beaker of water, and the vibrating tuning fork is placed near the top of the tube. The length of the air column, L, is adjusted by moving the...

Would a tuning fork in an atmosphere of Helium sound different than in air? I know the speed of sound is much faster and the fork (100Hz) would have a different wavelength but how would that affect sound?

[SOLVED] Assignment Question Help! - Tuning Fork/ frequency I've talked to numerous people who can not figure out this question, so if anyone has any ideas on how to do this question please help me!:confused: A tuning fork is struck and held next to a vibrating guitar string, and beats of...