Quote:
Originally posted by MattyX:
Rockaholic, I'm glad you got it right. It's easy to get hung up on something, in fact, that's what the question's designed for.

For Bluesky, Madman, Mobycat and any other CF-rs, answer my earlier question please.

The aircraft is already airborne and on approach to the conveyor/runway for a touch-and-go. The runway is spinning at exactly the same speed in the opposite direction, just like when it took off. laugh Now, when the aircraft touches down (no brakes, remember, doing a touch-and-go) will it immediatly come to a complete stop and be unable to take off again (do the "go" part)?
It *ALREADY HAS* foward momentum in the air.

The conveyor belt scenario - it does not start with forward momentum. It cannot attain it, because the conveyor keeps it from gaining it.
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"Nature has constituted utility to man the standard and test of virtue. Men living in different countries, under different circumstances, different habits and regimens, may have different utilities; the same act, therefore, may be useful and consequently virtuous in one country which is injurious and vicious in another differently circumstanced" - Thomas Jefferson, moral relativist