#232285 - 09/16/11 02:03 PM
What's the terminal velocity of a refrigerator?
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Enthusiast
Registered: 09/13/07
Posts: 378
Loc: SE PA
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According to this article the defunct UARS satellite will be falling back to earth in the next week or so, possibly raining down 300 pound chunks of space debris over North America. Granted the chance of it actually hitting me in particular is pretty tiny (1 in 20 trillion) I may still keep track of its impending return to earth here. Does you house insurance cover stuffing falling from space? (Where did I put my hard hat?)
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In a crisis one does not rise to one's level of expectations but rather falls to one's level of training.
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#232306 - 09/16/11 05:42 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Andy]
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Pooh-Bah
Registered: 07/11/10
Posts: 1680
Loc: New Port Richey, Fla
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Ok... for the practical shooters out there, it will make major power factor... how do you determine the ballistic coefficient of a refrigerator?
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#232308 - 09/16/11 06:23 PM
Re: What's the terminal velocity of a refrigerator?
[Re: LesSnyder]
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Addict
Registered: 11/24/05
Posts: 478
Loc: Orange Beach, AL
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Ok... for the practical shooters out there, it will make major power factor... how do you determine the ballistic coefficient of a refrigerator? Considering the largest chunk that is supposed to survive the plunge is projected to be about 300 pounds; a velocity of 1 fps would be sufficent to make major so I'm not sure the BC needs to be considered.
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"There is not a man of us who does not at times need a helping hand to be stretched out to him, and then shame upon him who will not stretch out the helping hand to his brother." -Theodore Roosevelt
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#232313 - 09/16/11 07:31 PM
Re: What's the terminal velocity of a refrigerator?
[Re: 7point82]
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Geezer
Registered: 01/21/04
Posts: 5163
Loc: W. WA
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If it's anything like a meteor, here's what the American Meteor Society says about the speed: "Due to atmospheric drag, most meteorites, ranging from a few kilograms up to about 8 tons (7,000 kg), will lose all of their cosmic velocity while still several miles up. At that point, called the retardation point, the meteorite begins to accelerate again, under the influence of the Earth’s gravity, at the familiar 9.8 meters per second squared. The meteorite then quickly reaches its terminal velocity of 200 to 400 miles per hour (90 to 180 meters per second). The terminal velocity occurs at the point where the acceleration due to gravity is exactly offset by the deceleration due to atmospheric drag." That's 32 feet per second, squared. I wonder how much of a crater that would make? Sue
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#232320 - 09/16/11 09:02 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Susan]
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day hiker
Addict
Registered: 02/15/07
Posts: 590
Loc: ventura county, ca
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I wonder how much of a crater that would make?
Sue after the shuttle 'columbia' broke apart during reentry i don't recall any untoward incidents that occurred on the ground. ymmv
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“Everyone should have a horse. It is a great way to store meat without refrigeration. Just don’t ever get on one.” - ponder's dad
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#232336 - 09/16/11 11:14 PM
Re: What's the terminal velocity of a refrigerator?
[Re: haertig]
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Carpal Tunnel
Registered: 11/13/06
Posts: 2986
Loc: Nacogdoches, Texas
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What's the terminal velocity of a refrigerator?
African, or European?
( You have to be nerdy enough to remember all the lines in Monty Python And The Holy Grail to even have a remote chance of getting that one... ) Please. What geek hasn't memorized that movie? Now, if you would please excuse me, I need to perform a low-level format on an SCSI hard drive. Jeanette Isabelle
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I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday
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#232337 - 09/16/11 11:26 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Andy]
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Old Hand
Registered: 03/03/09
Posts: 745
Loc: NC
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As long as we are quoting the Holy Grail...
If you should see a falling refrigerator, or satellite -
RUN AWAY, RUN AWAY!!!!
And I can only hope my homeowners would pay for the damages created by falling space debris.
We are the Knights who say "Ni"
Now fetch us a shubbery.
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#232349 - 09/17/11 05:46 AM
Re: What's the terminal velocity of a refrigerator?
[Re: LesSnyder]
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Old Hand
Registered: 02/11/10
Posts: 778
Loc: Los Angeles, CA
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If it were/is a fridge from the 50's-60's they had/have round tops,which would indicate an ojive of sorts,therefore ballistics coefficient would pertain if it were traveling top down first,lol!
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#232379 - 09/18/11 06:46 PM
Re: What's the terminal velocity of a refrigerator?
[Re: JBMat]
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Member
Registered: 11/06/07
Posts: 103
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'We are no longer the knights who say Ni. Now we say icky, icky, icky, spatang, nuuuwamm. (And them some gibberish I could never figure out) 'Geek' LW
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#232442 - 09/19/11 05:43 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Andy]
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Veteran
Registered: 02/20/09
Posts: 1372
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"possibly raining down 300 pound chunks of space debris over North America"
How about using a super-strong butterfly net. How agile are you, anyway?!!
Pete2
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#232450 - 09/19/11 06:36 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Pete]
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Geezer
Registered: 01/21/04
Posts: 5163
Loc: W. WA
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Nobody's THAT agile!
See the glow and get whacked by the chunk in the same fraction of a second.
But the bloody mess might mark the spot for the scientists to find the chunk.
No time for regret, anyway.
Sue
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#232551 - 09/22/11 12:13 AM
Re: What's the terminal velocity of a refrigerator?
[Re: Susan]
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Enthusiast
Registered: 09/13/07
Posts: 378
Loc: SE PA
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Though trying to catch red hot chunks of metal at several hundred miles an hour sounds like fun, alas, not this time for me. It ain't gonna rain Frigidaires on us (as in US).
_________________________
In a crisis one does not rise to one's level of expectations but rather falls to one's level of training.
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#232562 - 09/22/11 04:35 AM
Re: What's the terminal velocity of a refrigerator?
[Re: ]
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Pooh-Bah
Registered: 03/13/05
Posts: 2322
Loc: Colorado
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...NASA calculated that a piece of Skylab debris had a 1 in 152 chance of hitting someone. Luckily, there are several billion of us "someone's" on the planet, so the likelyhood of me being that specific someone that gets hit is fairly low. I remember those Skylab days too. I recall you could buy "Skylab warning hats". They were a tinfoil cone that you wore on your head. And if Skylab was about to hit you, it would hit the hat first, causing a crunching sound, therefore giving you .0007 nanoseconds warning to step out of the way.
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#232578 - 09/22/11 04:36 PM
Re: What's the terminal velocity of a refrigerator?
[Re: haertig]
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Geezer
Registered: 01/21/04
Posts: 5163
Loc: W. WA
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...NASA calculated that a piece of Skylab debris had a 1 in 152 chance of hitting someone. Yes, but it could be 100% for someone! Sue
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#232579 - 09/22/11 04:40 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Andy]
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Geezer
Registered: 01/21/04
Posts: 5163
Loc: W. WA
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Does you house insurance cover stuffing falling from space? If someone's car hits me, the owner is responsible. So the owner of the satellite should be responsible for the hole in your roof, the hole in your floor, the hole under the house, etc, right? Sue
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#232583 - 09/22/11 05:13 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Susan]
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Veteran
Registered: 02/20/09
Posts: 1372
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I would think so. But do you really trust NASA to come over and repair the drywall in your house - and then do the re-painting job? It could be a bit frightening.
BTW ... we're within a day of splashdown now. Maybe you should run some kind of betting pool! :-)
Pete2
Edited by Pete (09/22/11 06:57 PM)
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#232601 - 09/22/11 11:08 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Pete]
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Carpal Tunnel
Registered: 12/26/02
Posts: 2997
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I would think so. But do you really trust NASA to come over and repair the drywall in your house - and then do the re-painting job? It could be a bit frightening.
BTW ... we're within a day of splashdown now. Maybe you should run some kind of betting pool! :-)
Pete2 He He, they would ask congress to budget for a new drywall and house repair division, study for years the best way to repair, then request quotes and award the job to the three lowest bidders to each repair a section and make a mistake converting the color code for the primer so you will have three different colored sections of wall
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#232639 - 09/23/11 10:44 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Susan]
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Enthusiast
Registered: 09/13/07
Posts: 378
Loc: SE PA
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Well, dang it, all bets are off. Now there is a chance it will fall on the US . Also, this article claims that international law requires that NASA pay for any damage incurred post re-entry. Having provided consulting services to NASA for more than a decade I'd be happy to represent your claim, hopefully not posthumously. But what are the chances? One in 20 trillion or so. Stay tuned...
_________________________
In a crisis one does not rise to one's level of expectations but rather falls to one's level of training.
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#232688 - 09/24/11 10:15 PM
Re: What's the terminal velocity of a refrigerator?
[Re: Susan]
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Enthusiast
Registered: 09/13/07
Posts: 378
Loc: SE PA
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Sue, Did you have to dodge any falling chunks of satellite? Seems like some of this may have fallen in your neck of the woods. NASA can't tell where it landed.
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#232696 - 09/25/11 01:05 AM
Re: What's the terminal velocity of a refrigerator?
[Re: Andy]
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Geezer
Registered: 01/21/04
Posts: 5163
Loc: W. WA
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Sue, Did you have to dodge any falling chunks of satellite? Seems like some of this may have fallen in your neck of the woods. Didn't see any comet-like flaming things. Didn't hear any loud thumps. Darn! Was hoping it would hit my house so I could get a new one. Stayed outside most of the day, just in case. Sue
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