Origin Definition and 667 Threads

Country of origin (COO) represents the country or countries of manufacture, production, design, or brand origin where an article or product comes from. For multinational brands, COO may include multiple countries within the value-creation process.
There are differing rules of origin under various national laws and international treaties. Country of origin labelling (COOL) is also known as place-based branding, the made-in image or the "nationality bias." In some regions or industries, country of origin labelling may adopt unique local terms such as terroir used to describe wine appellations based on the specific region where grapes are grown and wine manufactured.
Place-based branding has a very ancient history. Archaeological evidence points to packaging specifying the place of manufacture dating back to some 4,000 years ago. Over time, informal labels evolved into formal, often regulated labels providing consumers with information about product quality, manufacturer name and place of origin.

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  1. F

    Choice of Origin of Coordinate Systems

    I am having a personal discussion with somebody elsewhere (not on Physics Forums) and we are stuck at the moment because of a disagreement that I narrowed down to the question whether, in the context of SR, two observers in different reference frames can choose the origin of their coordinate...
  2. T

    Current Research on the Origin of Electric Charge

    Hello! I am not sure if this is the correct place for this but here is a go. I'm currently applying to graduate schools and I know that I am interested in theoretical particle physics and condensed matter theory. In electricity and magnetism we were told that charge is an axiom and it's not...
  3. O

    Can Numerical Simulations Accurately Predict Orbital Precession?

    If we had a literal two body system (point masses M and m), with one orbiting the other according to Newton's Law of gravitation, would there be orbital precession? Or would they map out the same ellipse each time?
  4. A

    Unraveling the Mystery: The Big Bang and the Origin of the Universe

    Scientists suggest that there was nothing before the Big Bang. Nothing. Seems to me, the fact that the whole universe came from nothing makes no sense. I know that there isn't an answer yet but I would like to hear what others might think about this issue
  5. C

    Origin of Friction: Atomic/Sub-Atomic Scale

    What is the origin of friction on the atomic (sub-atomic) scale?
  6. Hijaz Aslam

    Defining a displacement vector not touching the origin

    In the diagram let the magnitude of the vector BC and OA are 'x'. I am confused with this part. Vectorially we don't say that the vector BC is ##-x##, because ##-x## is represented by OA. Then how do we represent BC? It's said a the position of a vector doesn't matter, I mean one can shift it...
  7. StonedPhysicist

    Origin of our universe 4D black hole

    The brains at the Perimeter Institute recently published a paper describing how our 3 dimensional universe could possibly exist as the event horizon of a 4 dimensional black hole in a 4 dimensional universe as the event horizons of black holes have one less dimension than the black hole itself...
  8. davidbenari

    Finding torque: With respect to origin, with respect to y-axis.

    Homework Statement Find the torque at point (1,5,2), first with respect to the origin and then with respect to the y-axis. F=2i-3j+k Homework Equations T=r x F The Attempt at a Solution Torigin= 11i+3j-13k ; Tyaxis=6i+3j-3k here I defined a new vector r'=1i+2k What I don't...
  9. W

    Show that origin in R^n is the n-tuple 0=(0,0, .,0)

    Dear all, This definition/property was given as a remark in my lecture notes. And I have attempted to prove it (I have attached the picture of proof). Can you please tell me if I am correct or wrong (& possibly where am I wrong?) Thanks in advance.
  10. W

    An alpha particle is at rest at the origin of a Cartesian coordinate system

    Homework Statement An alpha particle (the nucleus of a helium atom) is at rest at the origin of a Cartesian coordinate system. A proton is moving with a velocity of v towards the alpha particle in the xˆ direction. If the proton is initially far enough away to have no potential energy, how...
  11. TrickyDicky

    Big Bang ruled out as origin of lithium-6

    http://physicsworld.com/cws/article/news/2014/sep/02/big-bang-ruled-out-as-origin-of-lithium-6 The hystory of BB nucleosynthesis is quite busy, Gamow et al. started postulating that all elements were originated in the BB nucleosynthesis process in the late 40s early 50s, it soon became quite...
  12. M

    Twistor Origin of the Superstring

    http://arxiv.org/abs/1409.2510 Twistor Origin of the Superstring Nathan Berkovits (ICTP-SAIFR/IFT-UNESP, Sao Paulo) (Submitted on 8 Sep 2014) After introducing a d=10 pure spinor λα, the Virasoro constraint ∂xm∂xm=0 can be replaced by the twistor-like constraint ∂xm(γmλ)α=0. Quantizing this...
  13. N

    Solving for p at (0,0): Origin Singularity in f(x_1,x_2)

    Homework Statement Given the function f(x_1,x_2) = (x_1 - x_2^2)(x_1 - px_2^2) where p is a constant parameter, for what value of p will the origin (0,0) be a singular point of this function? Homework Equations The Attempt at a Solution I thought that singular meant...
  14. D

    On the origin of gravity. (Mass, or energy density?)

    So I have been reading about the nature of gravity, and I have become a little confused as to how gravity is produced. In some videos and books, they state that it is the mass of an object that generates gravity. However, others say that it's not so much as mass, but the density of energy/mass...
  15. G

    Origin of infrared divergences in perturbation theory

    If you have a momentum integral over the product of propagators of the form \frac{1}{k_o^2-E_k^2+i\epsilon} , why are there divergences associated with setting m=0? Factoring you get: \frac{1}{k_o^2-E_k^2+i\epsilon}=\frac{1}{(k_o-E_k+i\epsilon) (k_o+E_k-i\epsilon)} . This expression has...
  16. N

    Origin for formula when an object is submerged in water

    Homework Statement The formula is w(object)/F(buoy) = [density(object) * V * g] / [density (fluid) * V * g] = [density(object)] / [density(fluid)] This is way I thought they did it: w(object) = F(buoy) w(object) / F(buoy) = 1 --- Vsub/V = density(object) / density(fluid)...
  17. DiracPool

    Origin of Dimensions: Evidence of Order or Big Bang Simultaneity?

    I've been reviewing the timeline of the big bang... http://en.wikipedia.org/wiki/Chronology_of_the_universe http://en.wikipedia.org/wiki/Graphical_timeline_of_the_Big_Bang ...and wasn't able to find an answer to a question I have. That question is, is there any evidence that the...
  18. K

    Relativity of Orientation & Origin

    Homework Statement At time t=0, a block is released from point O on the slope shown in the figure. The block accelerates down the slope, overcoming sliding friction. a.) Choose axes 0xy as shown, and solve the equation ##\Sigma F = m a## into its x and y components. Hence find the block's...
  19. S

    Question regarding the universes origin

    According to the Poincare recurrence theorem - certain systems will, after a sufficiently long but finite time, return to a state very close to the initial state. and according to wikipedia - a quantum fluctuation or vacuum fluctuation is the temporary change in the amount of energy in a...
  20. B

    History and origin of amplitude summation in QFT

    In chapter 2.2 of Feynman's book on QFT, he states that the probability amplitude of a particle going from a to b is the sum of contributions from all paths, and that each path contributes the same amplitude, but with a different phase. My question is, why does Feynman state that this is the...
  21. C

    Biot–Savart law: the origin of chirality?

    As we know Biot-Savart law follows right-hand rule, like this: ...so the question is why right-hand rule, why not left? I suppose it must have something to do with electron's magnetic dipole moment or "spin", as that's the only source of asymmetry I am aware of in this scenario. It...
  22. F

    Complex contour integral with a second order pole at origin

    Homework Statement Hello all. I'm currently attempting to prove the central limit theorem using a simple case of two uniformly distributed random variables. Aside from being able to solve it using convolutions, I also wish to solve it by using the Dirac Delta function. That aside, the integral...
  23. J

    Solution that doesn't diverge at origin

    Hi - wondering if you can help me find a solution of: \nabla^{2}u-\frac{u}{\lambda^{2}}=a\delta(r) for spherical symmetry in 3D with the condition that \lim_{r\rightarrow \infty}u=0. It can be rewritten in spherical coordinates as \frac{1}{r^{2}}\frac{\partial}{\partial...
  24. M

    Verlinde's paper "On the origin of gravity and the laws of Newton"

    Why did Verlinde in his paper suggest that information is a central concept in the emergence of gravity? I mean why information and not something else?
  25. C

    Find the Distance for Net Zero Force: Two Charges at Origin and x=L

    1.)Two charges are fixed in location: charge q1= +8e is located at the origin and charge q2= -2e is located on the x-axis at x=L. At what point can a proton be placed so that it has net zero force acting on it? 2.)F=kq1q2/r^2 3.)I tried to do F=0 K = 8.988 X 10^9 (constant) q1 = (8...
  26. F

    Electric Field of x-axis line of charge at the origin.

    Homework Statement Calculate the charge and electric field at the origin of non-uniform line of charge on the x-axis from -10cm to 10 cm on the x-axis. Where linear charge density is given by 2x^4 Homework Equations dq=lambda dx de=(k dq)/r^2 E=integral of (Kdq)/r^2 = k integral of (lambda...
  27. BitWiz

    Do origin and onboard rocket observers agree on velocity?

    Given an ideal rocket in a friction-free, gravity-free environment: A precise amount of energy E is applied to accelerating a rocket. An external observer at the origin (rocket velocity=0) watches the rocket accelerate to a final velocity V. As expected, the origin observer finds that V...
  28. T

    Angular Momentum Contradiction Due To Choice Of Origin

    Homework Statement Imagine a particle tracing a counter-clockwise circular path on a flat table with a certain speed. The particle is tied with a massless string of length R to a point P at the center of the circular path. Will the particle rotate about P forever at constant speed in the...
  29. P

    Origin of Tension: Newton's 3rd Law or Electrostatic?

    Does the tension force in elastic springs and strings arise inevitably as a consequence of Newton's third law? Or is it due to the electrostatic forces within the material itself? Or are both of these explanations basically the same thing?
  30. N

    A 20 kg sphere is at the origin and a 10 kg sphere is at (x,y) = (20,0

    Homework Statement a 20 kg sphere is at the origin and a 10 kg sphere is at (x,y) = (20,0). at what point or points could you place a small mass such that the net gravitational force on it due to the spheres is zero? Homework Equations g=GM/r^2 The Attempt at a Solution Can not...
  31. L

    MHB Finding the point on a parabola closest to the origin

    Find the curve coordinates of the point nearest to P in the curve 2y2 = 5(x+1) P(0,0) Book answer (-1,0) ok (x-0)2+ (y-0)2 = D D = (x)2+ (y)2 and (y)2 = -x2 Now -x2 = 5/2(x+1) But derivating I don't get the answer or ansa
  32. R

    Maximize distance from the origin

    Homework Statement Say that P is a point on the surface xyz=8. Is it true or false that you can always find another point Q on the surface such that Q is further away from the origin than P is? Homework Equations ∇f(x,y,z)=λ∇g(x,y,z) where ∇g=0 The Attempt at a Solution Let...
  33. J

    Exploring the Mystery of Electric Charge: Origins and Properties

    Is there any explanation about the nature of electric charge? Everyon currently knows that an electric charge has ability to generate force and an electromagnetic field. Also, it has attractive and repulsive reactions to other charged particles. Finally, it is known that electric charges obey...
  34. benzun_1999

    Frames and origin in SO2 Manifold

    Hi I am working on a robot that has a spinning 3D laser scanner. It rotates about two axis and collects data. In one axis it has full 3D rotation and in another axis it has limit rotation. Now the read world points collect by this laser scanner is not unifomaly distributed but if...
  35. R

    Electric potential due to two point charges near origin

    Homework Statement A charge + q is fixed at each of the two points (±a,0,0). Show that the potential V at a point (x,y,z) near to the origin may be expressed as V = [q/4∏*ε*a] [[2+(2x2-y2-z2)/a2] where x, y and z are small compared with a. Homework Equations V(x) = q/4∏i*ε*r ...
  36. N

    Distance from origin to a surface

    Had this question on a test today, Find the shortest distance from the origin to the surface xyz2=2 I figured out by intuition that the shortest line between the origin to the surface will also be normal to the surface. I haven't done much of these functions in 3 variables, I read somewhere...
  37. G

    What sparked the concept of baryon number in particle physics?

    I'm doing a little research on quarks on stumbled upon the baryon number. Wikipedia says that the notion predates the quark model. I have no clue why particle physicists were motivated to introduce it before flavour quantum numbers came to the scene. So... What's the (historical) origin of...
  38. Z

    What is the Source of Inertia?

    Hi, so i have a fairly good understanding of most of the concepts relating to inertia. but my question is what is the force felt by the observer while accelerating. for example the force gravity can be described as space bending into shapes around the body of mass, the other can be described as...
  39. T

    Any books that explain the origin of physics stuff after the Big Bang?

    Could you please help me by suggesting some books that tell the story of how "stuff" ( I mean the stuff we discuss in physics ) such as origin of matter from a universe with nothing but energy, origins of wave, gravity, electromagnetic forces etc in the course of the evolution of cosmos after...
  40. J

    MHB Matrix transform- about origin, then angular rotation

    The problem asks to find the standard matrix for the composition of these two linear operations on R2. - A reflection about the line y=x, followed by a rotation counterclockwise of 60o. This is how I proceeded. y=x $\begin{bmatrix}0&1\\1&0 \end{bmatrix}$ counter clockwise 60degs...
  41. MarkFL

    MHB Find Tangent Lines Through Origin to a Circle

    Here is the question: I have posted a link there to this thread so the OP can see my work.
  42. strangerep

    Origin of the term chair in academia?

    Origin of the term "chair" in academia? When I was very young, I wondered why professors (heads of departments) were said to have a "chair" in such-and-such subject. I thought of the story about King Louis XIV of France who was said to have a chair in (their equivalent of) the cabinet room...
  43. N

    What is Schwinger terms and what is the origin?

    What is Schwinger terms that related with commutator of currents and what is the origin?Why the infinities appear when we consider the product of operators of fields at the same spacetime point?
  44. Philosophaie

    Electrical Field around Spherical Ball at origin

    Homework Statement Spherical Ball centered at origin uniform ##\rho## with a radius a. Find E along x-axis. Homework Equations ##E = \frac{\rho}{4\pi\epsilon_0}\int\int\int\frac{r^2*sin\theta}{r_\rho^2} d\phi d\theta dr## The Attempt at a Solution Evaluate E spherically along the...
  45. M

    Orbital Angular Momenta - Conversion to a Different Origin

    Suppose we have some object with angular momenta \mathbf{L}_1 about rotation center O_1 and we have another object with angular momentum \mathbf{L}^\prime_2 about rotation center O_2. O_2 has some velocity \mathbf{v}_2 relative to O_1. Then we wonder what is the angular momentum of the second...
  46. K

    Origin and Nature of Gauge Principle

    Gauge Principle is successful in strong electroweak force modeling in the the form U(1), SU(2), SU(3) and in GR but it fails in SU(5) or attempted gauge symmetry between leptons and quarks, it fails in Supersymmetry, fails in Supergravity, and even fails in String Theory. Don't we even know...
  47. karush

    MHB Find the rate of change of the distance between the origin and a moving point

    Find the rate of change of the distance between the origin and a moving point on the graph of $$y=\sin{x} \text{ if } \frac{dx}{dt}=\frac{2 \text{cm}}{\text {sec}}$$
  48. A

    What is the Connection Between Bragg Reflection and Energy Band Gaps in Solids?

    My book has a discussion of how the Bragg model can explain the origin of energy band gaps in solid. I have attached the relevant part of this discussion. I would very much like if someone could help me understand what it's basically trying to say. Facts: 1) In the free electron model, the...
  49. V

    Force of a charge Q at the origin?

    Homework Statement A charge Q is placed at the center of the origin on the attached document. What is the force on this charge? Homework Equations Coulomb's Law: F= kqQ/d2 ^ r The Attempt at a Solution See attached document for figure. I'm...
  50. A

    Laplacian of 1/r Explodes at Origin

    Ok, there are a couple of other threads about this, but they don't seem to answer my question. If I take the double derivative of 1/r, I'll get 2/r^3, but if I take the laplacian, I get something different. Why? Namely: \frac{d}{dr}\frac{d}{dr}(\frac{1}{r}) = \frac{d}{dr}...
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