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[SPACE] Meteorite Falls in Eastern Russia, Causes Damage: Reports - Page 19

post #181 of 244
Quote:
Originally Posted by Avonosac View Post

I haven't played around with astrophysics since 2004, I remember the concepts well, but the calculus I can't be arsed to try to remember. What you are talking about is not a simple equation, this is why even NASA estimated it to a very ballpark figure, we just don't have the data to do an exact calculation.

I'm sure their measurements and calculations are quite good, and likely very accurate with the data they were able to collect on the event, but asking for anything more than what they have provided, would likely be impossible.

I tried it just for fun and got this:

Et = 1/2mv² = 1/2 10.000.000*17.882² = 1.598.829.620.000.000 Joules
1.598.829.620.000.000 Joules = 382kiloTonnes = compared to Hiroshima's 16kT.
Edited by zefs - 2/16/13 at 12:40pm
    
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post #182 of 244
Quote:
Originally Posted by zefs View Post

I tried it just for fun and got this:

Et = 1/2mv² = 1/2 10.000*200² = 200.000.000 Joules
200.000.000 Joules = 4.780 kiloTonnes compared to 16kT of Hiroshima, so has was the meteor's explotion 30 times bigger than Hiroshima's?

Without knowing all the equations that would go into estimating the energy release, I can still tell you you are way off.

Where did you get 10,000 kg as its weight? The lower limit of NASA's estimate for its mass seems to be 7,000 tons or just under 7 million kg. And where did you get 200 for the velocity? The Russian Academy of Sciences is stating it was 15 km/s, which would be 15,000 m/s. So even if we just go with the kinetic energy equation and those lower estimates, the answer you'd get is about 183 kT.


You've made it even worse with the edit:
Quote:
Originally Posted by zefs View Post

I tried it just for fun and got this:

Et = 1/2mv² = 1/2 1000*5² = 12.500 Joules
12.500 Joules = nothing compared to Hiroshima's 66.944.000.000.000 Joules.

So now it's just a thousand kg (lighter than a sedan) and moving at a rate of 5 m/s (slower than your average runner)? lachen.gif

12,500 Joules. So you're saying it released the equivalent of 3 grams of TNT? Hahaha.

You're clearly astronomically (intended) ignorant. Go ahead and just state your loony conspiracy theory so a mod can just clean this thread up of your nonsense.
Edited by Faraz - 2/16/13 at 12:36pm
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post #183 of 244
It was a typo, I have edited my post. So this meteor was running at 18 killometers per second and weighted 10.000 tonnes and all we got was a damaged building?
I just wanted to see the relevance of this and get an idea of what would have happened if it didn't explode or hit a populated area.

Does that make me a conspiracy theorist to you?
Edited by zefs - 2/16/13 at 12:36pm
    
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post #184 of 244
Quote:
Originally Posted by zefs View Post

Et = 1/2mv² = 1/2 1000*17.882² = 1.598.829.620.000.000 Joules
1.598.829.620.000.000 Joules = 382kiloTonnes = compared to Hiroshima's 16kT.

You're still saying it was lighter than a car. And why are you putting in tons and kilometers into the equation? Joules are defined in terms of kg, meters and seconds.

Even then your answer says it released more than 20 times the energy of the Hiroshima bomb. So what was your point again?

Quote:
Originally Posted by zefs View Post

So this meteor was running at 17.882 meters per second and weighted 10.000 tonnes and all we got was a damaged building?

I just wanted to see the relevance of this and get an idea and what would have happened if it didn't explode or hit a populated area.

Does that make me a conspiracy theorist to you?

You understand the atmosphere exists right?

I think it's safe to say that if an object that size and at that speed (you mean 17.882 kilometers per second, not meters) directly impacted a populated area, the damage would be catastrophic.

And that alone doesn't make you sound like a conspiracy theorist. Combined with your other posts (particularly misquoting the information about the 20,000 emergency and clean-up workers) you sure were coming across as one.
Edited by Faraz - 2/16/13 at 12:49pm
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post #185 of 244
Quote:
Originally Posted by zefs View Post

It was a typo, I have edited my post. So this meteor was running at 18 killometers per second and weighted 10.000 tonnes and all we got was a damaged building?

Yes. Unlike a bomb, which releases its energy at a single point in the blink of an eye, this thing used most of its energy very slowly (compared to a bomb anyway) just heating itself, melting itself, and releasing that heat into the very long path of air it traveled through and it moved thousands of miles through the atmosphere.

And you really need to get those units in line.
    
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post #186 of 244
What does OCN think of this?

post #187 of 244
Quote:
Originally Posted by aweir View Post

What does OCN think of this?


That's actually quite plausible. The Russians most likely have some sort of anti-missile systems to counter the still quite relevant threat of an ICBM attack by a hostile nation. That same system would be a violation of treaties dating back decades between the US and former USSR. Keep in mind also that when the sirens started sounding at whatever the Russian equivalent of NORAD is there would be no time to determine the nature of the object prior to impact. Don't expect there to ever be an official admission of this by the Russian government for obvious reasons but I for one believe the scenario is likely.
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post #188 of 244
I think it's a lens flare. How could the missile blow the asteroid up AND still be intact enough to continue flying past it? Usually when a missile blows something up, the missile blows up too.

And the strangest part of all is that it appears out of nowhere and then disappears after it hits the asteroid.
Edited by aweir - 2/16/13 at 9:03pm
post #189 of 244
Isn't the explosion in the videos just a wave from a object going that speed threw the air. I don't see anything in video that would show a explosion. Some of the pictures are quite far away. I have heard objects traveling the speed of sound and the thump is pretty loud. And something going this speed that's this large wouldn't it be even stronger wave ?
 
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post #190 of 244
Quote:
Originally Posted by BulletSponge View Post

That's actually quite plausible. The Russians most likely have some sort of anti-missile systems to counter the still quite relevant threat of an ICBM attack by a hostile nation. That same system would be a violation of treaties dating back decades between the US and former USSR. Keep in mind also that when the sirens started sounding at whatever the Russian equivalent of NORAD is there would be no time to determine the nature of the object prior to impact. Don't expect there to ever be an official admission of this by the Russian government for obvious reasons but I for one believe the scenario is likely.

I can't tell anything from that video, but if the Russians did attempt to shoot it down - that would be cool as hell and I'm sure they would be bragging about it. And while I don't know the specifics behind any Anti-Missile agreement, its obvious that missiles with shorter ranges are allowed- given that the US has anti-missile systems on every sizeable piece of military hardware (Ships, Aircraft Carriers, ect).
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