It depends on the size.
Small Cessnas can only reach 180 knots
Passenger jets can reach 800kph
fighter planes can reach Mach 3
The experimental X-16 plane reached Mach 7
With lift generated by wind speed over the wings.
engine lets airoplane fly in air and airoplane also fly with its wings
Take a look at Newton's Third Law, or the equivalent Conservation of Momentum; that should give you an idea.
Avion
Airoplane or boat
yea
The Wright brothers
yes, they can
the airoplane was invented on 1769.
shout up
It's the Wright Flyer.
exhaust gasses