Quote:
Originally posted by XPLORx4:
Quote:
Originally posted by Mobycat:
[b]What if it can't do anything *beyond* matching it?
Then, again, the plane needs bigger engines.[/b]
You're avoiding the question.

Would the plane be able to keep from moving backwards due to the friction? And, because of that, stay in one place (since it's only matching, not overcoming)?
_________________________
"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