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08-02-2017, 01:04 PM
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#1 |
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So fuckin' bored
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Yet another puzzle for the local Einsteins
Can a plane take off form a treadmill that moves back with the same speed as the plane?
 P.S. A very simple physics task but lots of people get tricked with it 
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08-02-2017, 01:28 PM
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#2 |
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Too lazy to set a custom title
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No. The plane is not actually moving forward, therefore, no air gets under the wings to lift it up.
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08-02-2017, 02:03 PM
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#3 |
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Confirmed Fetishist
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even if it does take off, it will crash into the front part of the treadmill
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08-02-2017, 02:34 PM
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#4 |
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I think you fucked up the phrasing of the question, plus the setup in that picture is all fucked, the plane needs to be facing the opposite direction. The way a typical treadmill works would cause the plane in that picture to just roll off it towards the back with zero chance of the plane taking off.
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08-02-2017, 02:37 PM
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#5 | |
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StraightBro
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Quote:
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08-02-2017, 02:49 PM
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#6 | |
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So fuckin' bored
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Obey the Cowgod |
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08-02-2017, 03:01 PM
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#7 |
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I still don't get it, like kane said the plane wouldn't actually be moving, so why would it take off?
And like I suggested, the only way to make it take off is make the plane face the opposite direction, and then as treadmill moves it would cause the plane to move backwards, which would make the air move under the wings, and cause it to briefly take off. Is this supposed to be tricky? This shit won't even stump grade school kids.
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08-02-2017, 03:05 PM
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#8 | |
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So fuckin' bored
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Quote:
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Obey the Cowgod |
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08-02-2017, 03:07 PM
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#9 |
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Megan Fox's fluffer
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If you're in a falling elevator, can you jump in the air at the same speed you're falling ...and avoid injury?
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08-02-2017, 03:18 PM
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#10 | |
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So fuckin' bored
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My example is not more difficult. As a hint, I'll remind you yet another task from the school: will the pilot hear the sound of the jet engine behind him, if his plane moves faster than the speed of sound (it's ultrasonic)? Every kid knows the answer, isn't it?
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08-02-2017, 03:22 PM
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#11 |
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Sieg Hi!
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It's not about the speed in relation to the ground but in relation to the air... Yes the plane would take off...
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08-02-2017, 03:23 PM
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#12 | |
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Sieg Hi!
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08-02-2017, 03:25 PM
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#13 |
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I've had this debate with many idiots
I say that the plane would just be all "¿what treadmill¿" Why? Because the plane could give a fuck to say what the wheels want The engines generate thrust and that will move the plane forward. Period. Most people seem to imagine this plane having an imaginary chain holding it back Why would the wheels spinning on a treadmill make a fuck Would it not move forward in spite of that? I say OF COURSE IT WOULD Fuck anyone else's answer unless someone makes sense Hash code PAGING ADRACO Adraco would know |
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08-02-2017, 03:27 PM
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#14 | |
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So fuckin' bored
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Yes, it will take off... in case if its engine will be powerful enough (like almost all the modern aircrafts) to overcome the wheel friction. The plane is not a car and it doesn't use its wheels to move. It uses them only as a fulcrum, but not as a moving force. If the wheels get stuck, the plane will move forward anyways.
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08-02-2017, 03:27 PM
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#15 | |
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I always thought that would work when I was six Until I learned how shit works Now I don't believe this |
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08-02-2017, 03:29 PM
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#16 | |
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Meanwhile the plane would only be on the belt for a second until it jumped off of there Then I've also heard some fools say Well What if the belt was as long as the whole runway? Plane would still move forward at the same rate of speed and take off, if you ask me. |
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08-02-2017, 03:31 PM
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#17 |
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Well, or in that instance it'd veer off the thing
Who knows |
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08-02-2017, 03:35 PM
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#18 | |
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So fuckin' bored
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08-02-2017, 03:38 PM
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#19 |
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I don't want to be an Einstein ...
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08-02-2017, 03:41 PM
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#20 | |
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Too lazy to set a custom title
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You don't want to be an Einstein like a garbage collector doesn't want $68,000,000,000 |
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08-02-2017, 03:42 PM
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#21 | |
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It would not matter |
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08-02-2017, 03:43 PM
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#22 | |
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2. Now, simply replace yourself running, with an airplane. What would cause the airplane to "take off" if it's stationary, like we established in previous step?
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08-02-2017, 03:48 PM
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#23 |
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I guess this is why I majored in English, not Science lol.
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08-02-2017, 03:49 PM
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#24 |
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If you think of an automobile which relies on what I would refer to as being a friction based propulsion, sure, a conveyor belt turning against the wheels would hold it back
Planes, they use thrust to propel them down the runway and to begin generating some lift Meanwhile they take to the air and the thrust is then propelling forward the plane which then is in turn creating lift by forcing air over the wings That's why you stall a plane if you're driving it too slow See |
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08-02-2017, 03:50 PM
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#25 | |
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Too lazy to set a custom title
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FFS What the fuck even the fuck |
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08-02-2017, 03:51 PM
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#26 | |
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So fuckin' bored
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A plane is not a running human and not a car. It doesn't push itself using ground. It uses air as a point of force application. Just imagine a toy car at a treadmill which is tied by a rope to your hand. You stay in front of that toy car and pull it in your direction. Will it move to you or it will move backwards? Hint: that toy car just like any plane doesn't use its wheels to move, so it doesn't care where the ground/treadmill moves to.
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08-02-2017, 03:51 PM
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#27 | |
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Sieg Hi!
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Quote:
 2.An airplane is called an airplane not a groundplane or a wheelplane... An airplane coudn't care less about it's "stationary" speed compared to the ground...
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08-02-2017, 03:54 PM
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#28 |
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08-02-2017, 03:55 PM
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#29 |
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Sieg Hi!
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When you are in a windtunnel... you can "fly" while staying "stationary" compared to the ground...
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08-02-2017, 03:59 PM
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#30 | |
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Don't let it drive you crazy |
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08-02-2017, 03:59 PM
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#31 | |
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08-02-2017, 04:09 PM
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#32 | |
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Sieg Hi!
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08-02-2017, 04:10 PM
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#33 |
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So fuckin' bored
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BTW, what about my similar question: will a pilot hear a sound of the jet engine behind him, if his plane moves faster than the speed of sound (it's ultrasonic)? ;)
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08-02-2017, 04:13 PM
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#34 | |
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08-02-2017, 04:21 PM
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#35 | |
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Sieg Hi!
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... this puzzle first:https://gfy.com/fucking-around-and-pr...in-puzzle.html
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08-02-2017, 04:21 PM
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#36 | |
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See signature :)
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Two different things you posted. |
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08-02-2017, 04:24 PM
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#37 | |
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Sieg Hi!
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08-02-2017, 06:26 PM
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#38 |
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It's amazing how some people here finished elementary school...
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08-03-2017, 04:19 AM
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#39 | |
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08-03-2017, 04:24 AM
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#40 |
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Too lazy to wipe my ass
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how the fuck should i know? i cunt a4d a plane or a treadmill to find out...
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08-03-2017, 04:26 AM
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#41 | |
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Too lazy to wipe my ass
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08-03-2017, 09:49 AM
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#42 | |
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So fuckin' bored
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08-03-2017, 10:56 AM
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#43 | |
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See signature :)
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Secondly, not those different things I was talking about. You mentioned that it depend of whether it is frictioned (then you can jump) vs non frictioned (you can't). Then you proceeded that it depends on height (this is the DIFFERENT thing from friction/non friction I was referring to). So now I ask, does it depend on friction/non friction or on low height vs high height? << these are the 2 different things I was referring to. |
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08-04-2017, 07:37 AM
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#45 | |
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Yo Mamma!
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08-04-2017, 05:01 PM
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#46 |
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Just Doing My Own Thing
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No it wont take off...
If you thought it would - FAIL..... Sorry... |
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08-04-2017, 05:13 PM
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#47 | |
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08-04-2017, 05:25 PM
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#48 | |
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Just Doing My Own Thing
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The engines are making it go faster - It's still stationary on the treadmill - No LIFT!.... No lift no fly... |
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08-04-2017, 05:41 PM
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#49 |
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Natalie K
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as long as the wind under the wings is a greater force than above, the plane can lift. Therefore, a 200mph wind would lift a plan off the ground even if it was stationary. If the plane is stationary and there´s no air flow created by the engines driving the plane forward it will not be able to fly.
Given this, as the jet engine pushes into the air, no matter what the ground, or runway, or treadmill is doing, the engines will be pushing the plane through the air anyway, so will take off, if the runway was long enough. The engines and wings would still need the same distance to take off! The wheels can spin back or forward and are of no relevance to the plane, wing and engines.
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08-05-2017, 06:36 AM
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#50 |
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I think that the plane would move forward as much or more than it normally would, personally
I didn't know that airplane wings could generate lift without forward movement I guess pushing the air over the wings could generate lift but I think the air is pushed out behind the wings Talking out of my ass as I am no expert though |
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