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InvisibleTien
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Re: Twin Towers "collapse" violates laws of physics (with scholarly link) [Re: Basilides]
    #6070169 - 09/17/06 09:18 AM (17 years, 6 months ago)

Quote:

Basilides said:

Btw, there are videos available that show the planes literally smacking into the towers. Who were flying those? Suicide CIA agents? What about the all the cell phone calls from people on the planes who said Arab men just hijacked their flight?





1. Boing 757 and 767 are the only models of Boeing that are able to perform autonomous flight. Yes, this includes taking off, flying, and landing. Those planes have intelligent software installed that prohobits the pilot from putting anymore than 1.5g's on the plane. Can someone fucking explain to me how the aircraft which hit pentagon performed a 5-7 g turn before impact?

It gets even better though...767 and 757 are the only Boeings that can be REMOTE FLOWN. This feature is there so that Norad can fly the plane to safe place if something is going on with the pilots. Why wasn't this done to avoid the 9/11 tragedy?

2. The cell phones could have NEVER been made from those planes (especially flight 93 - since it was in a rural area)
You see, most cellphones are equipped with transmission power of up to 5 watts - usually just 3. First, your cell gets a hold of a local transponder, lets it know who you are and who your service provider is, let it know what mode you want to comm in, establish that your phone is an a roaming area. This process is called 'electornic handshake' and usually 45 secs to complete in a roaming area upon power up. Considering that an airplane is going at about 500/mph and three times the range of the cells 5 watt transmitter...EVEN THE HANDSHAKE could not occur...let alone a soapy call to the family.

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InvisibleDiploidM
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Re: Twin Towers "collapse" violates laws of physics (with scholarly link) [Re: dr0mni]
    #6070241 - 09/17/06 10:07 AM (17 years, 6 months ago)

I don't need a complicated equation to prove that the momentum couldn't have been transferred because it is common sense.

Common sense has a notorious history of being dead wrong on close examination. This is why 'equations' are so useful.


If you put a car in neutral on a down-sloping hill and release the break, it will accelerate downhill at some speed governed by physics.

If you put TWO cars in neutral some distance apart on the hill and release the break on the first, then when it crashes into the second car, you release the break on the second, the second car will accelerate down the hill faster than the laws of physics 'allow'. This is due to the boost given it by the first car crashing into it.

Someone with a third grade science education will call this a violation of the laws of physics and think up conspiracy theories. Real physics will chuckle at them.


--------------------
Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.

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InvisibleLuddite
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Re: Twin Towers "collapse" violates laws of physics (with scholarly link) [Re: Diploid]
    #6070280 - 09/17/06 10:19 AM (17 years, 6 months ago)

Quote:

Diploid said:
I don't need a complicated equation to prove that the momentum couldn't have been transferred because it is common sense.

Common sense has a notorious history of being dead wrong on close examination. This is why 'equations' are so useful.


If you put a car in neutral on a down-sloping hill and release the break, it will accelerate downhill at some speed governed by physics.

If you put TWO cars in neutral some distance apart on the hill and release the break on the first, then when it crashes into the second car, you release the break on the second, the second car will accelerate down the hill faster than the laws of physics 'allow'. This is due to the boost given it by the first car crashing into it.

Someone with a third grade science education will call this a violation of the laws of physics and think up conspiracy theories. Real physics will chuckle at them.





My physics teacher said one time "common sense does not apply".  He showed us plenty of demonstrations that boggled the mind.  Common sense tells you the earth is at rest yet we know it revolves around the sun thousands of miles per hour.  People used to think the earth was at the center of the universe.  The commies and fanatic towel heads exploit this gullability to enslave you and the rest of the world.


http://www.google.com/search?client=oper...=utf-8&oe=utf-8

http://www.amazon.com/Disinformation-Med...9082469?ie=UTF8

Edited by Luddite (09/17/06 10:20 AM)

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OfflineEconomist
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Re: Twin Towers "collapse" violates laws of physics (with scholarly link) [Re: Tien]
    #6070677 - 09/17/06 12:53 PM (17 years, 6 months ago)

Quote:

Tien said:
2. The cell phones could have NEVER been made from those planes (especially flight 93 - since it was in a rural area)
You see, most cellphones are equipped with transmission power of up to 5 watts - usually just 3. First, your cell gets a hold of a local transponder, lets it know who you are and who your service provider is, let it know what mode you want to comm in, establish that your phone is an a roaming area. This process is called 'electornic handshake' and usually 45 secs to complete in a roaming area upon power up. Considering that an airplane is going at about 500/mph and three times the range of the cells 5 watt transmitter...EVEN THE HANDSHAKE could not occur...let alone a soapy call to the family.




I don't know where you got this from, but someone's been selectively cropping documents to feed you this.

To begin with, in rural areas where analogue service is used (so you can make calls with a much weaker signal than with digital), it was common to achieve coverage by placing 1 tower every 16 miles (you can read this here: http://www.wired.com/news/technology/1,33352-0.html ). Also, the "electronic handshake" would take place at the tower, so again once every 16 miles. The electronic handshake also does NOT take 45 seconds.

This should just be common sense, does it take nearly a minute for you to place a cell phone call (let alone ringing, and having the other person pick up) for EACH AND EVERY call? Clearly the answer is no. More realistic esitmates for the electronic handshake are 15-20 seconds, perahps longer if signals are very weak and such.

At any rate, a simple glance at the black-box info from flight 93 (available at the end of the report here: http://www.gwu.edu/~nsarchiv/NSAEBB/NSAEBB196/doc04.pdf ) shows that flight 93 had descended to a height at or just below 20,000 feet (so less than 4 miles) by 9:44, meaning before the calls were being made. Furthermore, the same report shows that the airspeed was 250 MPH at that time and wouldn't pick up until 10:00.

At an airspeed of 250 MPH, and at an altitute of 4 miles, even a 45-second long handshake becomes possible with towers designed to cover 16-mile radii (remember the coverage is a sphere, and at 250 MPH you're only going about 4 miles per minute).

But none of this is new, it just reveals what we've always known: that the conspiracy nuts combine half-truths with non-existant research to reach claims that can't be validated.

I'll work on debunking the whole bit about the planes and the software in a little while, I apologize for not having time right now.

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