Not exact matches
The study also shows that the thin
air at higher altitudes helps birds fly faster, and that the faster a bird rises
upward in the
air, the slower they
move forward.
Gently and slowly expel the
air bubble by
moving the plunger
upward.
The airfoil shape of the wing causes
air to
move faster over the top of the wing than below, resulting in an
upward lift from the slower
moving air beneath the wing.
The
air cools and expands as it is mixed and
moves upward, and this cooling increases the relative humidity.
Surface
air also
moves upward into the troposphere at the boundary between the Ferrel Cell and the Polar Cell.
When an
air parcel occasionally
moves upward, its pressure changes as prescribed by the ambient conditions (e.g. of hydrostatic equilibrium).
Once it expands it pushes against the adjoining parcels so pressure increases in the horizontal plane but pressure in the vertical plane remains the same so the expanded and lighter
air parcel
moves in the direction of least resistance which is
upward.
It might be tempting to say
air molecules are «committed» to
move upward because the net speed is 1 m / s.
Warm
air must be
moving upward somewhere.
High Ceilings with Transoms Above Doors: High celings help to
move hot
air upward (remember, hot
air rises and cold
air sinks...).
Because water vapor is lighter than dry
air (mostly nitrogen and oxygen), that layer of
air can
move upward in the attic.
Above the tweeters, there's a six - microphone array that allows the HomePod to hear spoken Siri commands even when loud music is playing, and above the microphones, there's a 4 - inch
upward - facing Apple - designed woofer that has a powerful motor to
move a lot of
air, resulting in deep bass.