Skill's weekend teaser

This is a discussion on Skill's weekend teaser within the General Trading Chat forums, part of the Reception category; this is so 2007 man even been on mythbusters!...

View Poll Results: What will happen?
The plane will take off normally 25 40.32%
The plane will remain stationary 32 51.61%
The plane will run out of conveyor belt before it can take off 5 8.06%
Voters: 62. You may not vote on this poll

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Old Feb 22, 2009, 12:01pm   #9
 
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this is so 2007 man

even been on mythbusters!
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Old Feb 22, 2009, 12:03pm   #10
 
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Skill Leverage started this thread Has it? Did they have a runway-sized conveyor belt and everything, or did they use a model (boring)
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Old Feb 22, 2009, 12:19pm   #11
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Looks like I'm the only one so far to say the plane will run out of runway before it takes off. Not sure if that's a good sign or not.
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Old Feb 22, 2009, 12:21pm   #12
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How can it run out of runway if it's on a conveyor?
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Old Feb 22, 2009, 12:30pm   #13
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Skill, can I explain myself? No one else has given any reasons and I don't want to influence your poll with my fuzzy logic.
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Old Feb 22, 2009, 12:36pm   #14
 
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Skill Leverage started this thread We're on page 2 now so I guess you can give your reasoning.

TheBramble that's a bit of a vague statement; are you saying it couldn't take off either?
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Old Feb 22, 2009, 12:44pm   #15
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Ok.

The Conveyor moves at the same speed as the planes wheels.

They both start stationary, then the plane starts its engines. To begin with the conveyor is stationary because the planes wheels are stationary so the thrust of the engines pushes the plane forward.

The conveyor then reacts and goes the other way, slowing the plane down but before it can stop it completely the speed of the plane and hence it's wheels has dropped and so the conveyor slows down too.

This then allows the plane's engines to thrust it forward again. The planes speeds up - the conveyor speeds up - the plane slows down etc etc.

So I reckon how the plane moves depends on how quickly it accelerates and how quickly the conveyor accelerates and reacts but in short the plane will move forward but the conveyor's reactions will stop it taking off before the end of the runway.

That's my take on it anyway.
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Old Feb 22, 2009, 12:46pm   #16
 
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Skill Leverage started this thread You're forgetting something about the mechanics of the aircraft, which is something 90% of people do at first, so you're in good company.
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