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08-20-2014 08:02 AM
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### 6 Likes

1. Gerry Nightingale liked post by JohnMiddlemas On thread : What is position?
The only way to define a point with zero size is using coordinates. So a point could be defined as (0,0,0) + (x,y,z) = (x,y,z) where x,y,z are the distances from the origin (0,0,0) along the...
Liked On: 08-11-2014, 05:26 AM
2. Gerry Nightingale liked post by JohnMiddlemas On thread : What is position?
What I am trying to understand is "what is position" being the title of the thread. I am no closer to that. One cannot explain a physical thing like position with mathematical symbols and equations....
Liked On: 08-11-2014, 05:26 AM
3. Gerry Nightingale liked post by JohnMiddlemas On thread : What is position?
position x is the distance from an origin. To have a distance you need to have two physical objects. Without those there is no distance and x is meaningless. It's indisputable. An observable...
Liked On: 08-11-2014, 05:25 AM
4. Gerry Nightingale liked post by JohnMiddlemas On thread : What is position?
So the more precisely you make a real object approach a zero size point the more energy required until it passes some limit and starts to form a black hole or something. A true point is never...
Liked On: 08-11-2014, 05:23 AM
5. Gerry Nightingale liked post by JohnMiddlemas On thread : What is position?
As I understand it the uncertainty principle is derived from the wave equation and one form is Dx * Dp >= h/2 where Dx is the standard deviation of position in the x direction and Dp is standard...
Liked On: 08-11-2014, 05:20 AM
6. NewtonApple liked post by JohnMiddlemas On thread : What is position?
The only way to define a point with zero size is using coordinates. So a point could be defined as (0,0,0) + (x,y,z) = (x,y,z) where x,y,z are the distances from the origin (0,0,0) along the...
Liked On: 06-08-2014, 04:35 AM