Originally Posted by
Meikleour
Vessbot:Turning around inside an airliner does not change your momentum with respect to the earth. It is still related to the vector of the aircraft. The only change you could make is to run from nose to tail down the aisle and then you would only reduce it by your running speed times your mass! A tiny reduction compared to the aircraft.
Yes, and is this any different (and why?) from turning around inside a uniformly moving airmass?)