Results 71 to 80 of about 2,010,813 (260)

Motion estimation using physical simulation [PDF]

open access: yes2010 IEEE International Conference on Robotics and Automation, 2010
We consider the task of monocular visual motion estimation from video image sequences. We hypothesise that performance on the task can be improved by incorporating an understanding of physically likely and feasible object dynamics. We test this hypothesis by incorporating a physical simulator into a least-squares estimation procedure.
Duff, Damien Jade   +2 more
openaire   +3 more sources

Jacobi Elliptic Functions and the Complete Solution to the Bead on the Hoop Problem

open access: yes, 2012
Jacobi elliptic functions are flexible functions that appear in a variety of problems in physics and engineering. We introduce and describe important features of these functions and present a physical example from classical mechanics where they appear: a
Baker, Thomas E., Bill, Andreas
core   +1 more source

Radiation constraints from cosmic strings

open access: yes, 1994
We show that it is possible to evolve a network of global strings numerically including the effects of radiative backreaction, using the renormalised equations for the Kalb-Ramond action.
Albrecht   +13 more
core   +1 more source

How do our Students Understand Newton’s Third Law of Motion? A study in a Ghanaian University Context

open access: yesScience Education International, 2020
Newton’s third law of motion is probably one of the easiest and simplest laws in physics for students to recite. However, when they are given questions where they must apply the understanding of the law to solve a problem, it often becomes a challenge ...
Victor Antwi   +2 more
doaj   +1 more source

Ground State Properties and Glueball Spectrum in SU(2) Yang-Mills Theory using Gauge Invariant Variables

open access: yes, 1994
We describe a nonperturbative calculation of the spectrum of SU(2) Yang-Mills theory based on a Hamiltonian formulation. Our approach exploits gauge invariant variables similar to those used in nuclear physics to describe collective motion in nuclei ...
Bohr   +12 more
core   +3 more sources

Fictional metaphysics of fiction: Metaphysics and imagination in the humanities

open access: yesHTS Teologiese Studies/Theological Studies, 2017
A very simplified description of physics could be, according to Wikipedia, natural science that involves the study of matter and its motion and behaviour through space and time.
Johann-Albrecht Meylahn
doaj   +1 more source

Geometrical Field Formulation of Thermomechanics in Rational Mechanics [PDF]

open access: yesarXiv, 2010
In modern science, the thermo mechanics motion can be traced back to quantum motion in micro viewpoint. On the other hand, the thermo mechanics is definitely related with geometrical configuration motion (phase) in macro viewpoint. On this sense, the thermomechanics should be formulated by two kinds of motion: quantum motion and configuration motion ...
arxiv  

A simple superluminal but not physical motion

open access: yes, 2007
We discuss a superluminal unphysical motion which, we believe, has a high pedagogical potential. It highlights the physics behind the concept of simultaneity in special relativity and illustrates the non-physical character of superluminal speeds offering a rewarding exercise in handling the Minkowski space-time diagram.
Penha, Nilton, Rothenstein, Bernhard
openaire   +2 more sources

Bremsstrahlung in alpha-decay: angular analysis of spectra [PDF]

open access: yes, 2004
A quantum mechanical method of calculation of bremsstrahlung spectra in alpha-decay of heavy nuclei with taking into account an angle between directions of the alpha-particle motion and the photon emission is presented.
Belchikov, Sergei V.   +1 more
core   +3 more sources

Illustrations and supporting texts for sound standing waves of air columns in pipes in introductory physics textbooks

open access: yesPhysical Review Special Topics. Physics Education Research, 2014
In our pilot studies, we found that many introductory physics textbook illustrations with supporting text for sound standing waves of air columns in open-open, open-closed, and closed-closed pipes inhibit student understanding of sound standing wave ...
Liang Zeng   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy