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Simple Harmonic Motion and Wave Motion

by Commodore
Tags: harmonic, motion, simple, wave
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Commodore
#1
Nov28-07, 09:16 PM
P: 10
Hi,

I was wondering if anyone could explain Simple Harmonic Motion. My physics teacher has tried and I have read the parts in the book, but I am still confused. I know how to find the amplitude from the standard form equations, but I really just don't understand how to get the period and the frequencies. Does it have something to do with the [tex]\omega[/tex]t+[tex]\phi[/tex] thing or am I just way off? (If it doesn't, please explain what [tex]\omega[/tex]t+[tex]\phi[/tex] tells you.) Thank you!

-- Commodore
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Astronuc
#2
Nov28-07, 09:52 PM
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For a sinusoidal (sin or cos) wave, the parameter [itex]\omega[/itex] is the angular velocity and multiplied by t gives an angular position which is linear with time - [itex]\omega[/itex]t is always increasing. The other parameter in the argument, [itex]\phi[/itex], is the phase angle, which simply shifts the sine wave in time.

See if this helps - http://hyperphysics.phy-astr.gsu.edu/hbase/shm.html
Commodore
#3
Nov30-07, 09:20 AM
P: 10
Thank you very much for the information. I am about to see if I understand it by taking my last test (before the final).


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