LaTex Expressions - Symbols and Units

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Wondering what each symbol refers to?

Big Ideas: 

A list of the symbols and units used on this site as well as the corresponding LaTeX expressions.

The units are in "SI units.  If you have these quantities in any other units, you will need to convert to SI units before putting numbers in formulae".

<br />
\begin{tabular}{ |r l l || l l|}<br />
\hline & & & \multicolumn{2}{l|}{LaTex Expression} \\<br />
\cline{4-5}<br />
  Symbol & Meaning & SI Units & Symbol & SI Units \\<br />
\hline<br />
  $h$ & = height & m & h  & $ \backslash $textnormal\{ m\} \\<br />
  $w$ & = width & m  &  w  & $ \backslash $textnormal\{ m\} \\<br />
  $l$ & = length & m  &  l  & $ \backslash $textnormal\{ m\} \\<br />
  $y$ & = position & m  &  y  & $ \backslash $textnormal\{ m\} \\<br />
  $r$ & = radius & m  &  r  & $ \backslash $textnormal\{ m\} \\<br />
  \theta & = angle & rad & $ \backslash $theta & $ \backslash $textnormal\{ rad\} \\<br />
  \pi & = pi & none & $ \backslash $pi & none\\<br />
  $d$ & = diameter, thickness, distance & m & d & $ \backslash $textnormal\{ m\}\\<br />
  $x$ & = thickness & m & x & $ \backslash $textnormal\{ m\}\\<br />
  $v$ & = velocity & m/s & v & $ \backslash $textnormal\{ m/s\} \\<br />
  $t$ & = time & s & t & $ \backslash $textnormal\{ s\}\\<br />
  $g$ & = acceleration due to gravity & m/s^2 & g & $ \backslash $textnormal\{ m/s\}\^{}2 \\<br />
  $a$ & = acceleration & m/s^2 & a & $ \backslash $textnormal\{ m/s\}\^{}2 \\<br />
  $m$, $M$ & = mass & kg & m, M & $ \backslash $textnormal\{ kg\}\\<br />
  $F$ & = force & N = kg\cdot \textnormal{m/s}^2 & F & $ \backslash $textnormal\{ N\}\\<br />
  $p$ & = pressure & Pa = N/m^2 & p & $ \backslash $textnormal\{ Pa\}\\<br />
  \rho & = density & kg/m^3 & $ \backslash $rho & $ \backslash $textnormal\{ kg/m\}\^{}3\\<br />
$E$ & = energy & J = kg\cdot \textnormal{m}^2 \textnormal{/s}^2 & E & $ \backslash $textnormal\{ J\}\\<br />
$KE$ & = kinetic energy & J & KE & $ \backslash $textnormal\{ J\}\\<br />
$U$ & = potential energy & J & U & $ \backslash $textnormal\{ J\}\\<br />
$P$ & = power & W = kg\cdot \textnormal{m}^2 \textnormal{/s}^3 & P & $ \backslash $textnormal\{ W\}\\<br />
$W$ & = work & J & W & $ \backslash $textnormal\{ J\}\\<br />
$Q$ & = volume flow rate, heat or heat loss & m^3/$s, W$ & Q & $ \backslash $textnormal\{ m\}\^{}3 $ \backslash $textnormal\{/s\} $, \backslash $textnormal\{ W\}\\<br />
$C_D$ & = coefficient of drag & none & C\_D & none\\<br />
\mu _{RR} & = coefficient of rolling friction & none & $\backslash $mu\_\{RR\} & none\\<br />
$F_R$ & = force of rolling friction & N = kg\cdot \textnormal{m/s}^2 & F\_R & $ \backslash $textnormal\{ N\}\\<br />
$D$ & = drag force & N & D & $ \backslash $textnormal\{ N\}\\<br />
\eta & = efficiency & none & $\backslash $eta & none\\<br />
\epsilon, $e$ & = emissivity & none & $\backslash $epsilon, e & none\\<br />
$k$ & = thermal conductivity & W/(m\cdot \textnormal{K)} & k & $\backslash $textnormal\{ W/(m\} $\backslash $cdot $\backslash $textnormal\{K)\} \\<br />
$c$ & = specific heat capacity & \textnormal{J/(K}\cdot \textnormal{kg)} & c & $\backslash $textnormal\{ J/(K\} $\backslash $cdot $\backslash $textnormal\{kg)\} \\<br />
$T$ & = temperature & K & T & $ \backslash $textnormal\{ K\}\\<br />
\tau & = thermal time constant & s & $\backslash $tau & $ \backslash $textnormal\{ s\}\\<br />
$I$ & = intensity & W/m^2 & I & $ \backslash $textnormal\{ W/m\}\^{}2\\<br />
$S$ & = solar constant & W/m^2 & S & $ \backslash $textnormal\{ W/m\}\^{}2\\<br />
$f$ & = frequency & Hz = s^{-1} & f & $ \backslash $textnormal\{ Hz\}\\<br />
\lambda & = wavelength, wave spacing & m & $\backslash $lambda & $ \backslash $textnormal\{ m\}\\<br />
\Gamma & = metabolic rate & W & $\backslash $Gamma & $ \backslash $textnormal\{ W\}\\<br />
$I$ & = current & A & I & $ \backslash $textnormal\{ A\}\\<br />
$V$ & = voltage & V & V & $ \backslash $textnormal\{ V\}\\<br />
$q$ & = electric charge & C = A\cdot \textnormal{s} & q & $ \backslash $textnormal\{ C\}\\<br />
$^{\circ}$ & = degree & none &  \^{}\{$\backslash$circ\} & none \\<br />
\hline<br />
\end{tabular}<br />
\

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