Simple harmonic motion is the motion of a mass attached to an ideal spring, where the spring force is given by F = -Kx. Once the motion of the mass is large enough that the spring is no longer ideal, you no longer have simple harmonic motion. This happens when the spring is fully compressed, stretched so much that the force is no longer linear, or breaks.
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2006-08-27 18:16:25
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answer #1
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answered by Frank N 7
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Simple harmonic motion is the motion of a simple harmonic oscillator, a motion that is neither driven nor damped. The motion is periodic, as it repeats itself at standard intervals in a specific manner - described as being sinusoidal, with constant amplitude. It is characterised by its amplitude which is always positive and depends on how motion starts initially, its period which is the time for a single oscillation and its phase which depends on displacement as well as velocity of the moving object.
One definition of simple harmonic motion is "motion in which the acceleration of the oscillator is proportional to, and opposite in direction to the displacement from its equilibrium position", or
alpha proportional to -x.
A general equation describing simple harmonic motion is
y(t)=A sin 2pi f t , where y is the displacement, A is the amplitude of oscillation, f is the frequency, t is the elapsed time, and Ï is the phase of oscillation. If there is no displacement at time t = 0, the phase Ï = 0. A motion with frequency f has period .T=1/f
Simple harmonic motion can serve as a mathematical model of a variety of motions and provides the basis of the characterisation of more complicated motions through the techniques of Fourier analysis.For more go to:
http://www.physics.uoguelph.ca/tutorials...
2006-08-27 14:55:55
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answer #2
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answered by Anonymous
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The Strength of the wave diminishes in an inverse relation to the distance from its inception, epicentre.
The force used to create the harmonic releases energy at a rate equal to piD (joules) at the same distance, piD (metres)
TFTP
2006-08-27 14:48:01
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answer #3
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answered by Anonymous
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up and down :)
http://www.physics.uoguelph.ca/tutorials/shm/Q.shm.html
http://en.wikipedia.org/wiki/Simple_harmonic_motion
2006-08-27 14:43:40
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answer #4
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answered by r_e_a_l_miles 4
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