Thread: Science Something amazing to tell you concerning physics and motion
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Old 06-04-2009, 02:43 PM   #9
orange orange is offline
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Quote:
Originally Posted by MediaCenterJunkie View Post
So since the wheels on the plane are going the same speed traveling forward as the rest of the plane, the question is:

Imagine a 747 is sitting on a conveyor belt, as wide and long as a runway. The conveyor belt is designed to exactly match the speed of the plane, moving in the opposite direction. Can the plane take off?

I changed the word Wheels to Plane.

Thats the real question I guess.
The net speed (plane plus conveyor belt) must equal 0.

The plane will never move forward, there will be no lift generated and it won't take off.
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