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A bunch of odd questions that Google sucked at answering...
powerss
Registered User regular
Registered User regular
I know these are going to seem like a "what the hell, bro" but - really - can someone please tell me why/how:
What is the reasoning behind the spelling of "Philippines" but a person is "Filipino" - Ph to F? Any reason? I've gone ahead and usually just written Philipino.
I do not understand the phrase "pot called the kettle black" or whatever it is. No one can explain it to me in any way that makes sense.
When you fire a gun into the air, I know many have been told/it's been said that the bullet comes down with the same force as it left the gun. This seems completely idiotic to me...
Do fish "drink" water? Do they posses some sort of Sodium filtering mechanism, or simply hydrate through osmosis?
Yes I know... odd group of questions.
What is the reasoning behind the spelling of "Philippines" but a person is "Filipino" - Ph to F? Any reason? I've gone ahead and usually just written Philipino.
I do not understand the phrase "pot called the kettle black" or whatever it is. No one can explain it to me in any way that makes sense.
When you fire a gun into the air, I know many have been told/it's been said that the bullet comes down with the same force as it left the gun. This seems completely idiotic to me...
Do fish "drink" water? Do they posses some sort of Sodium filtering mechanism, or simply hydrate through osmosis?
Yes I know... odd group of questions.
powerss on
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That saying is used to point out the hypocrisy of someone's position. Both pots and kettles frequently used to be made out of cast iron, and were thus both equally black.
It comes down with less force (energy or momentum actually), but it still comes down with enough energy to kill someone. Some of the energy is lost to friction, but the rest is converted into gravitational potential energy on the way up, and then returns to kinetic energy on the way back down.
Wait, so - terminal velocity of a bullet falling (because it stops - however briefly - to fall back down again) is enough to kill someone?
The phrase is used when a person accuses someone of a trait that the accuser has. IE: an extremely vain person telling someone they care too much about their appearance. Pots and kettles were both generally black.
No idea where the phrase actually originated though.
There was a mythbusters episode about this. The bullet doesn't come down with the same force as when it was shot but it does come down with enough force to serious wound/kill a person.
That isn't quite accurate, of course, because the behavior of the bullet is modified by wind resistance and probably other factors, but the momentum a bullet has at terminal velocity is still more than enough to kill someone.
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Fish possess gills, organs which draw oxygen from the surrounding water. They presumably "keep" enough water for bodily function, as well as drawing moisture from their food as most animals do.
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As to the Ph/Filipino question, google yields some interesting results, but, to summarize: when the spanish initially colonized the phillipines, they named it Las Islas Filipinas. Spaniards born on that island were referred to as 'filipinos.' The F consonant is foreign to the native language of the islands, though, and the natives pronounced and spelled it Pilipino (this spelling still appears on local currency and so on.) The 'phi' construction is probably a result of english speakers reconciling the spanish pronunciation with the native one. Over time, the term 'filipino' came to refer to the language, while pilipino came to refer to the people, although again english speakers use 'filipino' for both interchangeably.
Pluto was a planet and I'll never forget
Pluto was a planet and I'll never forget
Mythbusters did a pretty good thing on it. At TV a 9mm could do some ok damage to a persons skull but no where near to full effect since all the energy it had is gone. If it fires straight up and comes straight down.
Now if its fired at an arc then it keeps a lot of its ballistic energy. Thats is usually when people get killed by stray bullets.
The bullet would only come down with the same force as when it left the gun under one circumstance: the gun happened to fire it at exactly the bullet's terminal velocity. Don't know whether that is a reasonable speed for a gun to fire at or not, but it's unlikely because at the very least different guns and different bullets will fire at different speeds, and the terminal velocity is specific to the bullet alone.
Edit: Zoolander has it better, in the above case the bullet would land at less than TV now that I think about it.
Third world countries like Texas. Also Louisiana (Seriously, there have been documented cases of deaths and injuries in both states due to falling bullets).
Terminal velocity for a typical handgun or rifle round would be around 300 feet per second, with when you factor in the weight of the projectile (about 10 grams), is enough to pierce human flesh. Hit in the right spot, it could be fatal, but odds are it would just hurt a lot and result in a flesh wound.
"Pot calling the kettle black" is a metaphor for hypocrisy, in yonder olde dayes both pots and kettles would be used by hanging them in the fireplace (over the fire), thus both would be blackened with soot.
As for PH versus F? Probably just one of those lingual oddities that occurred in the way the words/language was anglicized, and probably has something to do with Americans.
Don't know about the fish though.
I agree, odd group of questions.
Careful with that. I'm fairly sure this could offend some of the more conservative/up-tight Filipinos out there.
yeah, don't do this. it's "filipino". "pilipino" if you want to refer to the official national language.
steam | Dokkan: 868846562
It's the difference between the y-velocities and the x-velocities. If you fire a bullet at a perfect 90 degree angle (x-velocity will be 0) when the bullet hits the person on the head it will be pure y-velocity (created by Gravity) which will be the terminal velocity of a bullet. This isn't enough to kill someone.
If you however fire at an angle, the X-velocity will only be slowed down by Wind resistance (minimal). This is the velocity that will kill a person.
Like people have said, Mythbusters spelt this out for people. One of my favorites.
edit: the key is "terminal velocity"
So, sure, the air resistance is negligible, except when it's not.
This is almost precisely why I find it so amusing, and why I don't do it. No one can give me a good answer (except the above one)
That's not what terminal means. It means that it's attained its maximum speed due to friction from the medium through which it travels.
The terminal velocity of a piece of paper could possibly give some paper cuts.
*Whooshing sounds*
ok, so now you have a good answer.
and for most people of filipino descent, it's annoying as fuck when people write it out as "philipino" or "philippino" or any other variant.
steam | Dokkan: 868846562
That's not true. Y-velocity is being slowed by gravity as well. Till it reaches zero, then gravity will be the force speeding up the y-velocity (in -direction) until it reaches terminal velocity.
All of the above.
Most saltwater fish have membranous barriers in their gills/skin/digestive tract to prevent at least some salt entry while allowing in water, and fish in general regulate salt levels with their kidneys just like humans do.
Edit: Also, just to reiterate, gravity is not what causes terminal velocity, wind resistance is. If you fired a bullet directly upwards in a vacuum, it would come down at the same speed you shot it at. Terminal velocity is only a concept which applies in an atmosphere.
pretty sure both are required
Gravity causes the acceleration
:P
Guns fire bullets at far above terminal velocity(about 8x-10x higher). A bullet falling will have significantly less force behind it than if you shot someone directly.
Air resistance.
Why doesn't that air resistance affect bullets shot directly to the same extent? Because the bullet spends a lot less time travelling through the air.
What's your point here?
I guess it's one of those side effects of being occupied by numerous different countries over the years.
'A bullet fired straight up in the air loses about 90% of its speed on the way back down, giving it the energy of a brick dropped from a height of about four feet.'
do with this as you will.
You could just as easily say that a bullet fired straight up has the energy of a four-door saloon moving at one mile per hour. Might be true, doesn't actually tell you anything.