-
Velocity is the
speed in
combination with the
direction of
motion of an object.
Velocity is a
fundamental concept in kinematics, the
branch of classical...
- In physics,
angular velocity (symbol ω or ω → {\displaystyle {\vec {\omega }}} , the
lowercase Gr****
letter omega), also
known as
angular frequency vector...
- In
celestial mechanics,
escape velocity or
escape speed is the
minimum speed needed for an
object to
escape from
contact with or
orbit of a
primary body...
-
Muzzle velocity is the
speed of a
projectile (bullet, pellet, slug, ball/shots or s****) with
respect to the
muzzle at the
moment it
leaves the end of...
- The
group velocity of a wave is the
velocity with
which the
overall envelope shape of the wave's amplitudes—known as the
modulation or
envelope of the...
-
Terminal velocity is the
maximum velocity (speed)
attainable by an
object as it
falls through a
fluid (air is the most
common example). It
occurs when...
- The
phase velocity of a wave is the rate at
which the wave
propagates in any medium. This is the
velocity at
which the
phase of any one
frequency component...
- The
radial velocity or line-of-sight
velocity of a
target with
respect to an
observer is the rate of
change of the
vector displacement between the two...
-
Recessional velocity is the rate at
which an
extragalactic astronomical object recedes (becomes more distant) from an
observer as a
result of the expansion...
- relativity, a four-
velocity is a four-vector in four-dimensional
spacetime that
represents the
relativistic counterpart of
velocity,
which is a three-dimensional...