Originally Posted By: Tim
Originally Posted By: lectric
I have an extremely intelligent friend that simply cannot wrap his head around this problem. He is just having a hard time separating airspeed from ground speed. For some reason he's having a mental block about the air above the belt not moving WITH the belt.

Instead of a conveyor belt, explain it as taking off on a sheet of ice. It is the same principle as the conveyor belt without all the extra red herrings of friction, belt speed, etc thrown in.

Oh! I like that twist!
Then you can ask the question "How long is the landing rollout on ice?"
Answer: the same length as if you didn't touch the brakes on a normal landing. lol
_________________________
10101311 (20GB- backup empeg)
10101466 (2x60GB, Eutronix/GreenLights Blue) (Stolen!)