Search found 2 matches

by Freonpsandoz
Wed Sep 21, 2011 8:42 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0951: "Working"
Replies: 165
Views: 34982

Re: 0951: "Working"

The opinion expressed by this cartoon is, sadly, very prevalent in the author's generation (my son is about his age.) Unfortunately, that attitude ignores a fundamental reality of economics: the price of any item will continue to rise everywhere until enough consumers judge it to be worth their time...
by Freonpsandoz
Thu Jun 23, 2011 6:52 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0620: "Wings"
Replies: 141
Views: 35456

Re: 0620: "Wings"

I'm surprised that nobody has mentioned that the amount of thrust (force) that the flier must produce in flight is not the same as the lift; the required thrust is normally much less. As someone else noted, the lift must equal the weight of the system (mass of aircraft & pilot times gravitationa...

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