Quote:
Originally posted by RiverPig:
My official response is that there is not enough information in the question


Very true - it does not say whether the conveyor belt (or treadmill or whatever) matches the planes speed relative to the ground or to itself.
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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