নোটেশন

$c$	Speed of light in vacuum
$E$	Energy
$E_k$	Kinetic energy
$E_p$	Potential energy
$F$	Force
$G$	Newton’s gravitational constant
$h$	Planck’s constant
$k$	Boltzmann constant
$m$	Mass
$t$	Time
$v$	Velocity
$v_s$	Speed of sound in a medium