Empty
  • Empty
Anyone know any problems that are "easy to understand but impossible to solve"? Like Goldbach's conjecture or Fermat's last theorem for instance.
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
hhopke
  • hhopke
You may have tried this but have you googled "unsolved theorems?"
hhopke
  • hhopke
Also, FLT was solved in 1996.
Empty
  • Empty
Haha well that's true, but I didn't mean it literally. I could google up unsolved problems, but I wanted to find some that other people had come across that maybe we could try to think about and try to solve together rather than alone.

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nincompoop
  • nincompoop
ya the unsolved mysteries about aliens and how the american government is trying to keep it from us
imqwerty
  • imqwerty
I've got 1 but before that u need to give me the best defination of sonic boom.
Empty
  • Empty
Haha I don't know what the best definition of a sonic boom is, I think it relates to going faster than the speed of sound and somehow creates a shockwave by displacing air or something fancy lol
imqwerty
  • imqwerty
Ok now the question is - why doesn't light create sonic booms?? ¿¿
Astrophysics
  • Astrophysics
|dw:1437977975618:dw|
nincompoop
  • nincompoop
light does not make sonic booms, because by definition sonic = sound
hhopke
  • hhopke
Got one: Question: Five pirates are parting ways after finding a treasure of 100 pieces of gold. The pirates decide to split it based on a vote. Each pirate, from oldest to youngest, gets to propose a plan on how to split the gold. If at least 50 percent of the other remaining pirates agree on the plan, that is how they will split the gold. If less than 50 percent of the pirates agree, the pirate who came up with the plan will be thrown overboard. Each pirate is smart, greedy, and wants to throw as many others overboard as possible without reducing the amount of gold they get. What plan can the first (oldest) pirate propose to live and get as much gold as possible?
nincompoop
  • nincompoop
instead light's version is redshift
imqwerty
  • imqwerty
I didn't get that @nincompoop
nincompoop
  • nincompoop
ya don't focus on the redshift LAUGHING OUT LOUD but sonic = sound
Empty
  • Empty
oooh good questions @hhopke and @imqwerty and... hahaha you too @Astrophysics :'(
imqwerty
  • imqwerty
I've got 1 more wait
nincompoop
  • nincompoop
do not focus on the word use, but instead on the mechanism doppler effect is a characteristic that both sound and light produce. less focus on the word, but more on mechanics and equation
Empty
  • Empty
I am looking in my differential equations book since I remember shockwaves came about from solving with the method of characteristics or something.
nincompoop
  • nincompoop
there are some phenomenon that the english language or other language cannot describe properly
Empty
  • Empty
yeah like things that aren't particles or waves... :P
nincompoop
  • nincompoop
laughing out loud
imqwerty
  • imqwerty
I think i must learn about redshifts nd ol nd then come here to debate.
imqwerty
  • imqwerty
qwerty made a uniform spherical magnet. Where are the poles of that magnet located??
nincompoop
  • nincompoop
use ferromagnetic metal
nincompoop
  • nincompoop
metal sheet
nincompoop
  • nincompoop
magnetism ftw
Empty
  • Empty
hahaha the poles are on the outside and center?
nincompoop
  • nincompoop
isn't this what gauss proved?
imqwerty
  • imqwerty
Prove that u can make an A4 size paper reach mounteverset's top with one end of the paper touching the groung nd the other end at the top. U can tear the paper.
Empty
  • Empty
well, tear a piece, leave it on the ground, then take the other piece to the top of the mountain lol.
hhopke
  • hhopke
Well played...
imqwerty
  • imqwerty
U can't tear the paper nt even a bit
imqwerty
  • imqwerty
Nd the mounteverset is the real mounteverset nd nt a plastic toy or drawing.
imqwerty
  • imqwerty
Ik the answer to this one :)
nincompoop
  • nincompoop
can we use magnetic flux on that sphere magnet pole problem?
imqwerty
  • imqwerty
U need to prove your answer theoretically
hhopke
  • hhopke
Wait- do they have to be on the ground and at the top at the same time?
hhopke
  • hhopke
Could we use tesseracts? Like from a wrinkle in time?
Empty
  • Empty
Ooooh explain that that sounds cool
Empty
  • Empty
I was just going to do something like cut the paper like this: |dw:1437979349526:dw|
nincompoop
  • nincompoop
no cutting nor tearing
Empty
  • Empty
ok ok crap
nincompoop
  • nincompoop
use tangent ratio
Empty
  • Empty
Well technically the top of mount everest is the ground at that point... XD
nincompoop
  • nincompoop
|dw:1437979534544:dw|
nincompoop
  • nincompoop
|dw:1437979584308:dw|
hhopke
  • hhopke
|dw:1437979492646:dw| Theory of tesseract idea.
nincompoop
  • nincompoop
what's up with the tessarat?
hhopke
  • hhopke
The concept was bending the universe and everything in it to make the distance between point a and point b shorter.
nincompoop
  • nincompoop
okay he said we can tear the paper
hhopke
  • hhopke
|dw:1437979662627:dw|
nincompoop
  • nincompoop
then tear the paper about the size of an atom and then line them up HAHA
nincompoop
  • nincompoop
hmm can we calculate this? HAHA now I am interested
nincompoop
  • nincompoop
how many atoms are there in an A4 paper
nincompoop
  • nincompoop
figure out the dimensions and assume that the paper is made of carbon (primary)
Empty
  • Empty
Cool I have thought of a similar concept to this tesseract thing; what if nothing moves but instead space just changes? I guess in a sense this already happens, that's what the metric tensor describes in general relativity. :P
hhopke
  • hhopke
I have to go. Will check back in the morning to see what is eventually figured out. :)
nincompoop
  • nincompoop
ya I thought of relativity but wouldn't everything stretch including the mountain?
nincompoop
  • nincompoop
stretch = turn red LAUGHING OUT LOUD
nincompoop
  • nincompoop
use a miniature mteverest
imqwerty
  • imqwerty
No u can't use tessaract ol u have is power nd brain power nd the paper use these thinga to get the paper to top
Empty
  • Empty
Yeah or we could model it as being made up of cellulose like the sugar monomer length whatever that is
nincompoop
  • nincompoop
he said "prove" and I say perform an experiment
imqwerty
  • imqwerty
the paper is an ordinary paper which can be found in your notebooks :)
Empty
  • Empty
Also I was looking into this: Cherenkov radiation is the light analog of a sonic boom.
nincompoop
  • nincompoop
sounds like something I never learned
Empty
  • Empty
http://math.ucr.edu/home/baez/physics/Relativity/SpeedOfLight/cherenkov.html
nincompoop
  • nincompoop
explain this: is electromagnetic radiation emitted when a charged particle (such as an electron) passes through a dielectric medium at a speed greater than the phase velocity of light in that medium
imqwerty
  • imqwerty
u all will be like ( ͡° ͜ʖ ͡°) after seein the answer
nincompoop
  • nincompoop
phase velocity of light in the medium
nincompoop
  • nincompoop
ohhhh nvm
nincompoop
  • nincompoop
tell us, qwert
nincompoop
  • nincompoop
be mindful that I might chop you into pieces
Empty
  • Empty
Yeah I already have my knife ready tbh
Empty
  • Empty
lolol I am imagining qwerty sweating over there haha XD
nincompoop
  • nincompoop
I am curious about the sphere magnet's poles too because Ive only done flux on spheres with physics |dw:1437980486187:dw|
nincompoop
  • nincompoop
terrible drawing
imqwerty
  • imqwerty
ok ( ͡° ͜ʖ ͡°) the thickness of the paper is about 1^(-3) m or even less so when we fold the paper half the thickness doubles ( ͡° ͜ʖ ͡°) now if we keep foldin the paper half nd half nd half about 2^16 times then the thickness of paper will be = 1/(-3) x 2^16 m which is even greater than height of mount everest ( ͡° ͜ʖ ͡°)
nincompoop
  • nincompoop
|dw:1437980547551:dw|
nincompoop
  • nincompoop
same concept as cutting into atomic size
imqwerty
  • imqwerty
i've prepared my swords
Empty
  • Empty
So basically we can do it if we ignore certain laws of physics lol
nincompoop
  • nincompoop
ya
nincompoop
  • nincompoop
this kid did not even acknowledge our answer that it is the same concept
nincompoop
  • nincompoop
I got the ears and eyeballs I want to stir fry them
imqwerty
  • imqwerty
yes!! all u had to do ws- prove ur answer theoriticaly nd ur method should be simple ( ͡° ͜ʖ ͡°)
nincompoop
  • nincompoop
o ya my method is theoritcally and can be solved
nincompoop
  • nincompoop
carbon atom's radius is 67 pm
nincompoop
  • nincompoop
we can assume the volume of the paper
nincompoop
  • nincompoop
by its volume, we can estimate how many atoms are present
nincompoop
  • nincompoop
|dw:1437980893036:dw|
imqwerty
  • imqwerty
so we are assumin that the paper is made of C s so we can take the mass of Na atoms of C = 12gm ??
nincompoop
  • nincompoop
|dw:1437981064279:dw|
nincompoop
  • nincompoop
ya use your moles and avogadro's constant
nincompoop
  • nincompoop
LAUGHING OUT LOUD
imqwerty
  • imqwerty
mass of a sheet of A4 paper = 4.5gms molar mass=12 moles=4.5/12 no of atoms =2.25 x 10^23 diameter of each atom=134pm so ASSUMING that all atoms are in line so MAXIMUM length of the paper = 2.25 x 10^23 x 134 x 10^-12 =2.25 x 134 x 10^11 m omg yes nin is also correct ( ͡° ͜ʖ ͡°) but u can't calculate this^ thing by volume ( ͡° ͜ʖ ͡°)
nincompoop
  • nincompoop
I was going to look up density of paper LAUGHING OUT LOUD
imqwerty
  • imqwerty
lol i ws also goin to do that but then i thought that i wuld have to multiply it with the volume so it wuld be a tedious task so i directly looked up for the mass ( ͡° ͜ʖ ͡°)
Empty
  • Empty
We could have dissolved the paper, thereby not tearing
nincompoop
  • nincompoop
HAHAHA
nincompoop
  • nincompoop
are there any applications for directrix?
hhopke
  • hhopke
Gathering of the geniuses. Just saying. :)
imqwerty
  • imqwerty
Lollipop
imqwerty
  • imqwerty
^the reason why i hate autocorrect.... *LOL
Empty
  • Empty
Hahaha
imqwerty
  • imqwerty
If IF time machine gets invented then what do u think will happen?
Empty
  • Empty
Hmmm well when I was a kid I told myself if time travel is real I'll put a key here from m future self, but I never found the key so I guess it won't happen.
imqwerty
  • imqwerty
So u putted the key so that one day when time machine gets invented u can bring back the key to time when u placed the key there. Right?
Empty
  • Empty
Hahaha well no, but that's a good point, where would the key end up and where did it come from?
imqwerty
  • imqwerty
I think that future time travelling is more likely to happen as compared to goin to past
Empty
  • Empty
Yeah I mean we all travelled from yesterday to today so we already do that anyways :P
imqwerty
  • imqwerty
I mean going to future with respect to other people
Empty
  • Empty
Yeah, I guess so. So what made you think about this sonic boom for light?
imqwerty
  • imqwerty
Well my hobbie is to think so while thinking i thought that y doesn't light makes sonic boom.
Empty
  • Empty
Cool :)

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