Quote:
Originally posted by MattyX:
In the conveyor scenario, the aircraft can move, regardless of what the surface does.
But that cannot be possible if the conveyor *matches* the speed backwards.

If the plane moves even .1 inches forward, the conveyor belt has failed.
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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