That depends how close you measure to the plane. The closer - the louder! The distance is very important if you measure with a sound pressure level meter.
only 2000 planes take off
Float planes.
A jet enjine at take-off measures 113 decibels, while a surprised pig can squeal at 115 decibels.
There are between 40000 to 50000 planes that take off each day.
As Planes Take Off - 2008 was released on: USA: 5 November 2008 (limited)
No because the air around the plane has pressure. If two planes take off at the same time the planes will crash. The planes might crash if they land at the same time.
The planes take-off with a catipulte but they have to be light planes nothing to heavy. Then the plane goes into full throtle flaps up then takes-off
No.
Runway
Most aircraft passenger jets take off at 138 knots
Sea planes, Flying Boats, Pontoon Planes, PBY's (Don't know what that stands for).
The lift required to get the plane off the ground is created by the flow of the air over the planes wings.