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#1 2005-09-04 10:50:49
- mikau
- Super Member
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the wierd "w"
I'm pretty sure its called omega, it looks like a w drawn with curves. Or kind of like a horizontal "8"
I've seen this symbol several times. What does it mean? My mathbook used it once to stand for radians per second, in angular velocity problems. But I tend to see it a lot in places where its meaning appears to be undefined.
What does this symbol stand for? Is it just used for variables or does it always mean the same thing?
A logarithm is just a misspelled algorithm.
#2 2005-09-04 16:47:20
- ganesh
- Moderator
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Re: the wierd "w"
It is omega, and looks a little like w.
In physics, omega stands for angular velocity.
w = dθ /dt where θ is angular displacement and t is time.
In many electricity/magnetism formulae, 2*pi*w is found.
The unit of angular velocity is radians and 2*pi radians is equal to 360 degrees.
Interestingly, alpha is angular acceleration, dw/dt or d²θ /dt².
The Greek alphabets are used to represent various parameters in Physics, like mu is refractive index, rho is specific gravity (and specific resistance too), lambda is wavelenght etc.
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