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. L

    Determine Electric Field At Origin

    Homework Statement A line of uniform charge starts at x=+X0 and extends to positive infinity with uniform linear charge density U. Determine the electric field at the origin. Homework Equations E=kQ/r^2 The Attempt at a Solution dQ=Udr E=kU int(from x0 to infinity)dr/r^2...
  2. L

    The origin of the inverse square law

    Where does the inverse square law of gravitation come from? Is it just inserted by hand into general relativity? Or can it be deduced from just Einstein's postulates that in the nonrelativistic and weak gravity limit, the inverse square law just naturally arises? Any help would be greatly...
  3. S

    Integrating zdS on a Sphere Centered at Origin

    I will denote vectors in bold. Homework Statement Show that the curve C given by r=a*Cos(t)Sin(t)i+a*Sin2(t)j+a*Cos(t)k ( 0=<t=<pi/2 ) lies on a sphere centred at the origin. Find \int zdS under C *edit* There is a huge gap here and the equation has dissapered for me. But...
  4. D

    How to find the x,y elements of a 3D vector when origin, direction, z are known

    I believe this is the correct place to post this as I believe I'm going to need to solve this as a linear system, however I suppose it might be solvable using trig as well. However, I've been at it for a while and I'm out of ideas and I think I'm missing something silly. Consider the...
  5. P

    Prove Radial Fields are conservative and at the origin.

    Prove Radial Fields are conservative... and at the origin. 1. Homework Statement Prove the radial field F = r / |r|^p is conservative on any region not containing the origin. For what values of p is F conservative on a region that contains the origin? 2. Homework Equations v x F = 0...
  6. P

    What is the main origin of electromagnetic waves?

    I want to know in details what is the main origin of electromagnetic waves? and thanks a lot in advance.
  7. thenewmans

    When Did Einstein First Encounter Quantum Entanglement?

    To me, the concept of entanglement sounds like an epiphany. I’m sure I can’t find one specific moment for it but I’d like to get closer. And I’d like your help. So far, I see that Einstein had issues with Born’s matrix mechanics (1925) among other things, which heated up the Bohr Einstein...
  8. R

    Electric potential at point from origin

    Homework Statement In the presence of a uniform electric field, E=-6.0 i + .8 j + 3.42 k N/C, assume that the electric potential is -5V at the origin of the coordinate system, and determine the electric potential at the point 2.7 i -2.7 k. Here's what I've done so far \DeltaV=V(2.7, 0...
  9. R

    Electric potential at point from origin

    Homework Statement In the presence of a uniform electric field, E=-6.0 i + .8 j + 3.42 k N/C, assume that the electric potential is -5V at the origin of the coordinate system, and determine the electric potential at the point 2.7 i -2.7 k. Here's what I've done so far \DeltaV=V(2.7, 0...
  10. H

    Earth's Moon Origin: Is a Meteor Plausible?

    I have been reading and listening to discussions on origins and again today heard a scientist advance the idea that a meteor collided with the Earth and the collision resulted in the Moon being ejected and finding its way to its current orbit. Is this plausible? Would it not be the same...
  11. B

    What is the Origin of the Approximation?

    Hi Homework Statement I'm trying to follow and work through a derivation in my textbook, making sure I can replicate the steps myself and understand what's happening. However, I came across this approximation and can't seem to figure out where it comes from or why and the book gives no...
  12. M

    Rotation matrix about an axis from the origin to (1,1,1)

    Homework Statement Find the transformation matrix R that describes a rotation by 120 about an axis from the origin through the point (1,1,1). The rotation is clockwise as you look down the axis toward the origin. Homework Equations Rotations about the z-axis are given by R_{z}(\alpha) =...
  13. N

    What is the origin of subatomic forces?

    I am curious as to what is the true nature of the atom and how far we can extrapolate backwards as to its primal cause. Are atoms caused by subatomic forces, or energy? Or are the terms 'Force' and 'Energy' metaphors for processes science does not fully understand yet. If we are able to answer...
  14. L

    Rotating a vector about a new origin

    I have a point in 3d space at (x, y, z) with a rotation of (i, j, k) based from the origin (0, 0, 0) with a rotation of (0, 0, 0). What I would like to do is move the origin to a new position and rotation and have the point rotated with it. What series of calculations and manipulations need to...
  15. R

    Voltage vs Current curve isnt going through origin for Playdoh resistor, why?

    Hi, I'm doing a IB Physics internal assessment on how the length of a tube of playdoh in a straw relates to the resistance of that tube. I tested it by connecting a 150 ohm resistor to one end of the tube of playdoh and connected the two to a power supply. My data at the different lengths all...
  16. N

    Philosophy and Physics: Questions as to the Origin of the Universe

    I would be most gratified if someone learned in Physics would explain Physicists' point of view on the question of the Universe's origin in the following philosophical context: It seems to me that to avoid infinite regress it is necessary at some point in the causal chain to posit...
  17. GRB 080319B

    Origin of gyroscopic precession

    Is precession caused by uneven mass distribution in the gyroscope, or by an uneven supporting surface, causing a couple to form (i.e., normal force and gravitation force start to have non-zero cross products)? Is precession analogous to circular motion, the angular momentum vector is having its...
  18. E

    Find the points on the surface closest to the origin

    1. Homework Statement find the points on the surface z^2=xy+4 closest to the origin i tried the distance formula but it got too messy, i think there's an approach using lagrange multiplier but i just can't quiet figure it out...?
  19. gttjohn

    Lingusitics Exploring the Origin of Language: A Steel Fabricator's Journey

    where or how did language come from ,ive been thinking about this for a long time i think it may have evolved ,very slowly like this maby many thousands of years ago a leader or head of a tribe might have used words or noises or grunts close to what we now know to get the attention of his tribe...
  20. P

    What Forces Shape Bar-Centered Galaxies?

    Some of galalxies have bar style center. Very mysterious. The origin? The galaxies are SBa, SBb and SBc style. Spiral galaxies are familiar to us. it seems like hurricane. What kinds of force act on bar centered galaxies?
  21. N

    T1°T2 is a counterclockwise rotation about the origin by an angle of____rad

    Let T1 be the reflection about the line 2x−3y=0 and T2 be the reflection about the line 2x+5y=0 in the euclidean plane. - first I was asked to find the T1°T2 matrix. I did that. - now I need to find the counterclockwise rotation about the origin of T1°T2 I should use...
  22. L

    Origin of Cosmic Rays: Intensity Explained

    we all know the cosmic rays comes from outer surface of the Earth from higher altitudes and enter the Earth's atmosphere in all directions. but experimental studies have revealed that intensity of cosmic rays increases with altitude and reaches a maximum at about 20 km above Earth surface and...
  23. L

    X vs t graph for a car that's moving away from the origin and slowing down

    You're traveling at 25m/s when you notice something ahead. you apply the brakes and come to a stop in 4 seconds. construct a x vs.t graph, a v vs. t graph, and an a vs. t graph for the 4 sec time interval if i could get what the position vs time graph looks like, i could get the rest. At first i...
  24. A

    The origin of the quantum vacuum?

    Hi, I've been reading about particle- and quantum physics and have seen some educational video's about it. But I do have a probably philosophical question about it. Most likely based on ignorance (but what question isn't) and false interpretations of what I think to know. This is what I...
  25. O

    Origin of Photons Irrelevant in Double Slit Experiment?

    If I "create" a stream of photons in the lab or if I spectographically select a stream of photons from a star, I get the same experimental result in a double slit experiment? In other words there is no difference between photons whose point of origin can be deduced to be eons ago vs those...
  26. C

    D.W. Sciama's Theory of Inertia: Origin & Discussion

    I was wondering if anyone is familiar with D.W. Sciama's theory of inertia based on Mach's principle? I came across the theory in a book or selected writings on motion I found at a used book sale and found it very compelling. Just curious to hear any fallacies in his reasoning or negative...
  27. I

    Why Is My Center of Mass Calculation for a Uniform Square Offset by Width/4?

    Homework Statement To get used to finding the center of mass of an object, I have decided to start with a uniform density square. The square is centered at the origin. The center of mass should be at the center of the square, and thus at the origin. When I tried to solve this however, my...
  28. E

    Find the Origin of the Kicked Soccer Ball

    Homework Statement A soccer ball is kicked at 25 m/s at an angle of 22 degrees . The ball hits the crossbar 2.5 m off the ground. Where was it kicked from? Homework Equations d = ViT + .5* a * T^2 The Attempt at a Solution I have no clue
  29. G

    Distance of particle travels from origin, and maximum speed, picture included

    Homework Statement A 3.2 kg particle moves along the direction under the influence of a force described by the potential energy function U = a k~xk, where a = 5.48 J/m and x is the position of the particle in meters measured from the origin as in Figure. The total energy of the particle...
  30. J

    Requirements for a Tangent at the Origin: Function Analysis

    Homework Statement What must hold true for a function to have a tangent at the origin. Eg. Given f(x) = 0, x = 0 and f(x0 = xsin (1/x) x does not equal 0 will the graph have a tangent at the origin? Homework Equations The Attempt at a Solution
  31. R

    Origin of Dark Energy: Before the Big Bang

    1. Is it possible that dark energy didnt originate from bigbang but from another that precedes the bigbang? 2. Are dark energy and dark matter in our solar system? Thank you very much
  32. S

    Why Are Physics Notations Like 'c' for Speed of Light Used?

    Does anyone know a resource (book, website, etc.) where the origin of notations in physics is described? For instance it is clear that F comes from force, but it is not clear why c is the speed of light. I would like to find out how did people come up with the existing notations for physical...
  33. J

    About the origin of the universe? big bang cause?

    Hi, I'm a physics student but I have not done much astronomy/cosmology. I was sitting here thinking, and something struck me. This thought is only a couple of minutes old so it's not much more than half-arsed musings at this stage. However, I am curious about whether someone who knows what they...
  34. M

    Importance of a vector space containing the origin.

    Why does a vector space need to go through the origin? I am not sure I understand the geometric importance of that, or the importance of it as it pertains to the axioms of a vector space. Is this to say I want any vector in the vector space to lie completely in the space, as oppose to say...
  35. C

    Is the Hubble Red-Shift Gravitational Instead of Doppler?

    Suppose that some time in the future a clever group of theorists and experimentalists finally devise a way to accurately determine the value of the Hubble Constant. Say by an interferometer connected to a quantum computer. Everything works fine in the lab and is checked and checked...
  36. M

    Bead on straight wire that rotates around origin

    Question: A Particle of mass m can slide freely along a straight wire placed in the x-y plane whose perpendicular distance to the origin O is h. Denote the projection of O on the wire by on the wire by C. The line OC rotates around the origin (in the x-y plane) at a constant angular velocity...
  37. J

    Resolve to the Twins Paradox – Frame of Origin

    I have read many arguments concerning the issue of the famed “Twin Clock Paradox”. Very many arguments go through considerably complex explanations so as to defend Special Relativity or dispute it. But the explanation is actually much simpler. In every proposed twins paradox, there is a Frame...
  38. L

    Work to move charges from Infinity to origin

    Homework Statement Eight 3.0 μC charges are located at the corners of a unit cube centered about the origin with 1mm edges. How much work does it take to bring a 5.0 μC charge from infinity to the origin? Homework Equations U= k*q1*q2/r The Attempt at a Solution r=...
  39. K

    Origin of the Maxwell energy-momentum tensor?

    Electrodynamics force is f_i=F_{ik}j^k=F_{ik}\partial_j F^{jk}. I claim that the only way to obtain the Maxwell energy-momentum tensor T_i^j=-F_{ik}F^{jk}+\delta_i^jF_{kl}F^{kl}/4 is to write the force as a divergence: f_i=-\partial_jT_i^j.
  40. J

    Origin of Attractive Electron Interaction

    I have started to learn BCS theory and I am not been able to find a derivation of the effective attractive electron-electron interaction which is assumed to explain the Cooper pairing. Can anyone point me to a reference where I can find this derivation? Jan.
  41. P

    Find the force acting on the charge at the origin

    Homework Statement Three charges are fixed in the x-y plane as follows: 1.6nC at the origin (0, 0); 2.6nC at (0.55 , 0); –2.1 nC at (0, 1.15 ). Find the force acting on the charge at the origin. Express your answers using two significant figures. Enter the x and y components of the force...
  42. O

    Configuration centered at the origin

    I have two configurations (set of points, each with its x and y coordinate) that should be compared. In order to do this, I should perform the operation so that both configurations are centered at the origin. I understand that the operations are to be performed on x and y axis, but I'm not...
  43. Z

    Arbitrary choice of origin when linear momentum is zero

    I read the following in a textbook I'm reading: If the total linear momentum of a system of particles is zero, then the angular momentum of the system is independent of the choice of origin. It was given without proof and I've been trying to see why this is the case - mainly intuitively...
  44. E

    Time from the origin of universe

    I have a question for the bright minds here. I have often wondered if spacetime has been constant thoughout the universe or if there are places where spacetime breaks down. One of these points I often imagine about is the very origin point of the Big Bang. Does anyone know of any papers...
  45. N

    Finding the electric field at the origin

    I'm reviewing for my physics final and going over all of my old exams. I'm trying to figure out how to do this question that I got wrong. Homework Statement Six charges that are equal in magnitude, 0.48µC are arranged in a hexagon where each charge is r = 1.4 m from the center. Two of the...
  46. N

    Vector Calculus - Closest point to the origin

    Homework Statement A curve C in space is defined implicitly on the cylinder x^2+y^2=1 by the additional equation: x^2-xy+y^2-z^2=1. Find the point or points on C closest to the origin.Homework Equations d = ((x-x0)+(y-y0)+(z-z0))^(1/2) - This is the distance formula. Please note that I did...
  47. N

    Origin of non-conservative Faraday

    The non-conservative nature of an induced E-field due to a changing magnetic flux has always interested me. In the case of a constant magnetic field and a circuit with a changing surface, the changing magnetic flux can actually be written as a line integral of v x B (*), with v the speed of the...
  48. B

    Charm's Curious Origin: A Quarky Mystery!

    Whence "Charm"? The quarks have very quirky names! All of them have an origin: * (up, down) refer to isospin states. * strange refers to "strange decays" that were, well, strange! * (bottom, top) are derived from "beauty" and "truth" ("Beauty" still is used synonymously with "bottom")...
  49. L

    Origin of Charge: Exploring Antimatter and Elementary Particles

    Recently i have been looking into antimatter and also elementary particles, and i have began to wonder where exactly does charge come from. My thoughts often come to the idea of rotation direction, where negative is say... clockwise, and positive anticlockwise. that like gears two objects...
  50. K

    Green's Theorem with a circle not centered at the origin.

    Problem: Evaluate Integral F dot dr, where C is the boundary of the region R and C is oriented so that the region is on the left when the boundary is traversed in the direction of its orientation. F(x,y)=(e^(-x)+3y)i+(x)j C is the boundary of the region R inside the circle x^2+y^2=16 and...
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