Originally Posted by
BetterBob
THere is only one speed though, unless you are looking at the speed of the wheels spinning. The speed it moves in relation to the earth. Just like every other measure of speed.
Originally Posted by
Jani 5
speed relative to someone standing on the ground (no conveyor)
agreed to me that this is the implication
but i think others are thinking in terms of wheel speed
if the speed of the wheels forward is required to be the same as the speed of the conveyer no actual movement can be obtained, thus no the airplane will not take off