Originally Posted by
heywoodjablowme
it is the 2nd one.....the speed of the treadmilll/conveyor belt under the plane is being speed matched to the exact opposite rate that the plane is moving forward by the thrust of the jet engines
And the engines can move the plane, so it takes off...
Last edited by BetterBob; Jan 3, 2008 at 04:56 PM.