Hi accuk
Short answer - they're not. It should be possible to identify a useful symbol in physical equations for every letter of the alphabet. Let's try:
a: expansion parameter in cosmological equations, fine structure constant, acceleration in kinematics
B: magnetic field
c: speeed of light, undefined constant
d: derivative in calculus, D electric displacement
e: Euler's number, electron, E electric field
f: function, F force
g: acceleration due to gravity on earth, G gravitational constant
h: Planck's constant, H hamiltonian
i: the imaginary root of -1, I intensity, I current
J: angular momentum factor in rotating metrics in general relativity, J-psi a type of meson.
k: Boltzman's constant, K Kelvin temperature unit
l: length, L lagrangian, L angular momentum
m: mass, SI prefix milli (10^-3) and M mega (10^6)
n: the number of elements
o: the symbol for the element oxygen, the origin
p: momentum, probability factor
q: charge, Q heat (thermodynamics)
r: radius, distance in spherical coords
s: entropy, speed
t: time T SI prefix terra (10^12)
u: initial velocity in kinematics,
v: final velocity (kinematics), voltage
W: charged intermediate vector boson (weak force carrier)
x: generic first order unknown, first cartesian dimension, X GUT boson
y: second cartesian dimension, SI prefix yocto (10^-24) and Y yotta (10^24)
z: third cartesian dimension, SI prefix zepto (10^-21) and Z Zetta (10^21), Z uncharged intermediate vector boson (weak force carrier)
Hope this helps!
The Chicken
2006-10-02 20:30:50
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answer #1
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answered by Magic Chicken 3
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