Oscillation Definition and 740 Threads

Homework Statement I am to show that quantum effects are negligible in: (i) The diffraction of a tennis ball of mass m=0.1 kg moving at a speed of 0.5 m/s by a window of size 1X1.5 m^2 (ii)The tunneling probability for a marble of mass m=5 g moving at a speed of 10 cm/s against a...

Hi Guys and Girls Take note that I am not sure if Waves or Oscillation, is the right word to use about this Physics phenomenon. Well the general subject is, what I could translate it to from danish, Waves. From the movement of a object hanging in a spring, and its movements, to the behaviour...

A mass which is resting on a horizontal frictionless surface is connected to a fixed spring. The mass is displaced 0.16 m from its equilibrium position and released. At t = 0.50 s, the mass is 0.08 m from its equilibrium position (and has not passed through it yet). What is the period of...

A spring is hung from the ceiling. When a block is attached to its end, it stretches 2.0 cm before reaching its new equilibrium length. The block is then pulled down slightly and released. What is the frequency of oscillation? I'm totally Stuck help would be appreciated...

A bar is guided so that one end moves on a vertical line and the other on a horizontal line. A spring is attached to the upper end according to the figure. Any friction is neglected. http://web.comhem.se/~u48800174/springbar.jpg I want to find out how x varies in time. If the center of mass...

Hi everyone, I have a question about waves. Suppose there are two waves that make one water atom vibrate. The first equation of oscillation is: x1= A1sin(wt+p1), energy propagated to the atom is (1/2)m.(w^2)(A1^2) and the other: x2=A2sin(wt+p2), E2 = (1/2)m.(w^2)(A2^2) so the total energy...

Homework Statement PROBLEM STATEMENT: Under these conditions, the motion of the mass when displaced from equilibrium by A is simply that of a damped oscillator, x = A cos(ω_0t) e^(−γt/2) where ω_0 = K/M, K =2k,and γ = b/M. Later we will discuss your measurement of this phenomenon. Now...

Homework Statement A spring (which tension is k) is connected with a body (which mass is m). The whole system is in viscous liquid. In this liquid frictional force is proportional to speed: F = -C*v. With what C value the oscillation won't happen? The Attempt at a Solution The...

Homework Statement #3 on this PDF Homework Equations \tau = Frsin(\theta) = I \alpha I=mr^2 The Attempt at a Solution Here's what I've done: \tau = Frsin(\theta) = I \alpha F=QE 2QEsin(\theta) \frac{A}{2} = 2M\left(\frac{A}{2}\right)^2 \alpha simplify: QEsin(\theta)A =...

Homework Statement Given: "In a science museum, a 110 kg brass pendulum bob swings at the end of a 15.0-m-long wire. The pendulum is started at exactly 8:00 a.m. every morning by pulling it 1.5 m to the side and releasing it. Because of its compact shape and smooth surface, the pendulum's...

Homework Statement A student decides to use a simple pendulum to check the shutter time of her camera. A meter stick is laid horizontally, and a simple pendulum is set up so that, when it is hanging vertically, the mass falls on the 50.0 cm mark of the meter stick. The pendulum is set into...

Homework Statement Suppose at t=0, theta=0 degrees a pendulum swings to the left with angular velocity wo=47.5 rad/s. Find the magnitude of the maximum angle theta for the oscillation. Given w=60.7 rad/s, and wo=47.5 rad/s, where w is angular frequency of the small oscillation. Answer in...

Homework Statement Consider y''(t)+(k/m)*y = 0 for simple harmonic oscillation A) Under what conditions on Beta is y(t)=cos(Beta*t) a solution? B) What is the period of this solution? C) Sketch the solution curve in the yv-plane associated with this solution (Hint: y^2 + (v/Beta)^2)...

So.. I have an ideal linear spring that streches 20 cm when a 40g mass is hung from it. The spring is then mounted horizontally on a frictionless surface (screams conservation of energy/momentum) and a 60g mass is attached to it. The 60g mass is then displaced 20cm from equilibrum and released...

a mass hanging from a vertical spring and a simple pendulum each have a period of oscillation of 1 sec. If you were to take these devices to another planet where the acceleration due to gravity is greater than on earth, would the period of each device be greater than 1 sec , less than 1 sec, or...

A particle of mass 12 grams moves along the x axis. It has a restoring force F= -0.06 N/m. If it starts from x=10 cm with a speed of 20 cm/sec toward the equilibrium position, Find its amplitude, period, and frequency. Determine when the particle reaches the equilibrium point for the first time...

Homework Statement W = 20 lb k = 50 lb/ft r = 4 in. Initially displaced 0.5 in. Determine the frequency and maximum velocity of the wheel (which rolls without slipping). Homework Equations (theta) double dot + (w^2)theta = 0 (x) double dot + (w^2) (x) = 0 t = 2*pi / w...

Homework Statement Jose, whose mass is 90 kg, has just completed his first bungee jump and is now bouncing up and down at the end of the cord. His oscillations have an initial amplitude of 9 m and a period of 4.0 s.2. The attempt at a solution a) The spring constant of the bungee cord is...

Homework Statement A mass m is gently placed on the end of a freely hanging spring. The mass then falls 36 cm before it stops and begins to rise. What is the frequency of the oscillation? Homework Equations f=[1/(2pi)]*[k/m]^0.5 E=KE+PE PE_s=0.5kx^2 KE=0.5mv^2 v=rw The Attempt...

A mass m is connected to two springs with equal spring constants k. In the horizontal position shown, each spring is streched by an amount \Delta a. The mass is raised vertically and begins to oscillate up and down. Assuming that the displacement is small, and ignoring gravity, show that the...

I'm not quite sure on what I did wrong. Can anyone please help me with this? Homework Statement An air-track glider attached to a spring oscillates with a period of 1.50sec . At the glider is 4.60cm left of the equilibrium position and moving to the right at 33.4cm/s. What is the...

The oscillation of the universe therory was dropped because 'the universe is very inefficient' and so could not rebound after a collapse. What is the reason that cosmologist say this? In what way is it inefficient? It seems that the conservation laws say the opposite. Robert.

I have been pondering these two questions for a while: How many normal modes of oscillation or natural frquencies does each of the following have: 1. A simple pendulum 2. a mass oscillating on a spring :confused: Thanks! CIB

In the problem, A string's tension is adjusted so that the speed of sound waves on the string equals the speed of sound in the air. The fundamental mode of oscillation is set up on the string, and in a pipe with one end open and one end closed with a length of half of the string resonance is...

A 5.00 g bullet moving with an initial speed of v0 = 405 m/s is fired into and passes through a 1.00 kg block, as in Figure P13.58. The block, initially at rest on a frictionless horizontal surface, is connected to a spring with a spring constant of 950 N/m. Figure P13.58 (a) If the block...

What is the similarity between Simple Harmonic Oscillation(SHO), simple pendulum and a physical pendulum? I never understood it. Like what's the physical significance of SHO, or the energy and momentum change in oscillating motion?

Homework Statement Homework Equations E = 1/2mv^2 + 1/2kx^2 = 1/2kA^2 omega = Sqrt(k/m) f = omega/(2pi) = 1/(2pi)*Sqrt(k/m) The Attempt at a Solution m = 150kg M = 150kg + 50kg = 200kg x = 15ft = 4.57m h1 = 3.04 m h_real = ? x = A? mgh = (1/2)Mv^2 + (1/2)kx^2 Since there is...

Homework Statement So a 2kg block hangs from a rubber cord and it's being supported so that the cord is not stretched. The unstretch length of the cord is .500 meters and its mass is 5.3 grams. The spring constant for the cord is 105 N/m. The block is released and stops at the lowest point...

In the linear oscillator the motion is "back and forth" and angular frequency suggests something "going around". Try to explain how "back and forth" is related to "going around". This question is pertaining to the oscillator machine. It is connected with two strings, and is a cart thing with...

The frequency of oscillations of, f, is equal to 315 Hz. What is the value of the period of oscillations, T? I understand that the speed of the wave is related to the wavelength and the frequency according to this: v = w/f = w/T But, how am I to solve for T if I don't know the value of...

The suspension system of a 1700 kg automobile "sags" 13 cm when the chassis is placed on it. Also, the oscillation amplitude decreases by 43% each cycle. Estimate the values of (a) the spring constant k and (b) the damping constant b for the spring and shock absorber system of one wheel...

Problem: A 1.0 kg mass is riding on top of a 5.0 kg mass as it oscillates on a frictionless surface. The spring constant is 50 N/m and the coefficient of static friction between the two blocks is 0.50. What is the maximum oscillation amplitude for which the upper block does not slip...

Q: A sinusoidal wave of the form: y = A \sin{kx - \omega t} is traveling along a string in the x direction, where A = 0.88 mm, k = 2 m^-1, omega = 25 rad/s, with x in meters and t in seconds. For this string, the mass per unit length is given by mu = 0.01 kg/m. For a length segment delta x = 1...

(9) A physical pendulum consists of a meter stick (1 meter long) pivoted at a distance 20 cm from one end and suspended freely. The frequency for small oscillation is closest to (a) 0.67 Hz (b) 0.8 Hz (c) 1.1 Hz (d) 1.7 Hz (e) Insufficient information (Hint: The moment of inertia of a stick of...

the displacement of a simple harmonic oscillator versus time is described by the function x = Asin(wt + phi) find the speed when the displacement is sqrt(3) A/2 the answer is piA/2 but I have no idea how the professor got it... the function for the velocity at point x in our book is v_x_ =...

A 4.40 kg block hangs from a spring with spring constant 1700 N/m. The block is pulled down 6.30 cm from the equilibrium position and given an initial velocity of 1.10 m/s back toward equilibrium. I have no idea how to start such a problem. If anyone could give me a idea of where to start Id...

What is the period of oscillation in the screenshot? http://img296.imageshack.us/img296/5296/image12yt4.gif Period is just the time it takes to travel from one point on the graph to the exact same point again in the same direction. Looking at the graph I would guess somewhere around 2.5...

1)The time period of a dip needle vibrating in the vertical plane in the magnetic meridian is 3 seconds. When the same magnetic needle is made to vibrate in the horizontal plane, the time period of vibration is 3(2)^(1/2). What is the angle of dip of the place? I think in both the cases, it is...

1)A thin rectangular magnet suspended freely has a period of oscillation of 4 seconds. If it is broken into 2 halves (each having half the original length) and one of the pieces is suspended similarly. What is the new period of oscillation? I solved it in the following way: Let E1 and E2 be...

I tried to work out this problem a few different ways but I never get the right answer. A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 8.00 cm What is the oscillation frequency of the two-block system? What I've...

I understand that when the oxygen molecules are heated up in a pot of water, they will vibrate increasingly as they get hotter. I guess that's what those little bubbles are at the bottom of the pot. At some point, they will suddenly release. Is there a name for this threshold and a way to...

can one harness the energy from a charged particle violently oscillating in a confined space.

What is the difference between vibration and oscillation?

what is the resultant time period when two simple harmonic motions of time periods 3s and 4s superimpose

A spring is stretched 10cm by a force of 3 N. A Mass of 2kg is hung from the spring and attached to a damper which exerts 3 N when the velocity = 5m/sec. There's more but I just need a little help setting it up. I don't understand how to find y (as in yu'(t)). Unless its just 3/5. Just a few...

An underdamped oscillator`s amplitude decreases with the factor of e^-beta*T(damped) in a one cycle, but I am confused how to find the decrease of the amplitude after 10 cycles. Schould I multiply the factor by 10 like (10*e^-beta*T(damped) ) or when I am calculating the factor , should I...

Hi guys, I'm stuck on a problem that states: Two equal masses oscillate in the vertical direction. Show that the frequences of the normal modes of oscillation are given by: \omega^2 = (3 +- \sqrt{5})\frac{s}{2m} and that in the slower mode the ratio of the amplitude of the upper mass to...

In an Oscillating system,as damping increases, the amplitude of the system at the resonance frequency decrease and the resonance frequency also decreased. However why does the reasonce freq decrease? I know how to solve for the new amplitude and ang. freq. mathematically but i do not know how to...

A massless spring hangs from the ceiling with a small object attached to its lower end. the object is initially held at rest in a position y such that the spring is at its rest length(not stretched). The object is then released from y and oscillates up and down, with its lowest position being 10...

A particle of mass m undergoes one-dimensional undamped harmonic oscillation due to a restoring force Fr = -kx. In addition the particle is subject to a constant external force Fext = Fo. a) What is the differential equation that governs the motion of the particle? b) what is the general...