Brainteaser |
Welcome Guest ( Log In | Register ) · 0 New Messages
Brainteaser |
james |
Feb 23 2006, 01:08 PM
Post
#1
|
Group: Super Administrators Posts: 3296 Joined: 2-March 01 From: Surrey, UK Member No.: 13 |
Here's a question for you:
QUOTE "A plane is standing on a runway that can move (some sort of band conveyer). The plane moves in one direction, while the conveyer moves in the opposite direction. This conveyer has a control system that tracks the plane speed and tunes the speed of the conveyer to be exactly the same (but in the opposite direction). Can the plane take off?" A couple of links discussing it (and some funny rationalizations for peoples incorrect assumptions): www.kottke.org/06/02/plane-conveyor-belt www.straightdope.com/columns/060203.html -------------------- "We are number one, all others are number two or lower!" - The Sphinx, Mystery Men
"A computer without a Microsoft operating system is like a dog without bricks tied to its head" - annon "What a terrible thing to have lost one's mind. Or not to have a mind at all. How true that is." - Dan Quayle |
jamie |
Feb 24 2006, 02:26 PM
Post
#2
|
Member Group: [Ringer Patrol] Posts: 731 Joined: 17-October 01 From: sitting on my arse Member No.: 3 |
The plane aint going anywhere
(until you turn off the belt) and if you want 'workings' the plane's lift is created by the surrounding air being forced under the wing and pushing the plane up. Regardless of how fast the wheels are turning the plane isnt moving relative to the surrounding air Imaging yourself standing on the wing.... Arnt you lot supposed to be clever? This post has been edited by jamie: Feb 24 2006, 02:28 PM -------------------- We don't torture... we freedom tickle.
|
Time is now: 19th January 2025 - 05:50 PM |
Content © ringerpatrol.net 2001-2007 -- Design by Designified