Quote:
	
	
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					Originally Posted by glatt
					
				 Picture a different scene. | 
	
  No, picture the scene we're talking about
: a plane hopping right into the air, straight off the ground. (Commercial jetliners are not designed to do this!) And then say to yourself "oh, gee, what an incredible dumbass I was for even entertaining the fact that this might be possible" . . .
	Quote:
	
	
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					Originally Posted by glatt
					
				 Here, the plane isn't pushing against the runway, it's pushing against the air.  The runway doesn't matter. | 
	
  And the "pushing" doesn't matter, either. Only the forward motion does. There is no forward motion 
according to the question.