query: distance between the first and second particle(s)?
positive_passages.docid: 156569
positive_passages.text: The first and (the) second chapter(s) are difficult - which is correct?
negative_passages.docid: 101372
negative_passages.text: Questions concerning smallest fraction between two given fractions.
negative_passages.docid: 34190
negative_passages.text: How to find the distance between two planes?
negative_passages.docid: 45763
negative_passages.text: Minkowski diagram and length contraction
negative_passages.docid: 77758
negative_passages.text: Calculate the uncertainty in velocity of electron
negative_passages.docid: 154019
negative_passages.text: Simulation of interacting particles
negative_passages.docid: 75651
negative_passages.text: How to calculate spatial distance in space-time?
negative_passages.docid: 45444
negative_passages.text: Distance between two vectors: Vector Calculus
negative_passages.docid: 29130
negative_passages.text: Abstract Wave with Particle System
negative_passages.docid: 35760
negative_passages.text: How far to nearest/next prime?
negative_passages.docid: 94615
negative_passages.text: Is the change in kinetic energy of a particle frame independent?
negative_passages.docid: 94173
negative_passages.text: Deriving the Lagrangian for a free particle
negative_passages.docid: 105625
negative_passages.text: Distance between surfaces
negative_passages.docid: 91612
negative_passages.text: Force inversely proportional to the squared distance
negative_passages.docid: 8545
negative_passages.text: Calculating length contraction at speed $c$ (not near it)
negative_passages.docid: 24439
negative_passages.text: What is the essential difference between a resonance and a particle?
negative_passages.docid: 12645
negative_passages.text: The position of center of mass of electron cloud in an atom