They reduce engine speed and extend 'flaps' which allows the wing to keep lift at lower speed.
No, airplanes came first
Bernoulli's principle explains why airflow over the plane's wings hold it up.
china
Artillery, other airplanes, trench gun fire were all effective in shooting down airplanes.
Hanger
Ships, cars, airplanes
alqueda
yes because of its weight the weight brings it down
because if we did we would hit airplanes
Air friction, which is measured as drag.
Airplanes refuel in the ground. Trucks carrying airplane fuel come and refuel the aircraft.Some jet aircraft have the capability of refuelling in the air.
They slow down gradually and lose height as they land