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Journal Articles

N-body linear force law allowing analytic solutions

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Joseph West, Sean P. Bartz
Journal: American Journal of Physics
Am. J. Phys. 93, 376–381 (2025)
https://doi.org/10.1119/5.0226894
Published: May 2025
View articletitled, N-body linear force law allowing analytic solutions
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Journal Articles

Natural relationship between classical orbits and quantum Hamiltonians for the Kepler problem

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Jason Tran, Leanne Doughty, James K. Freericks
Journal: American Journal of Physics
Am. J. Phys. 93, 434–436 (2025)
https://doi.org/10.1119/5.0220799
Published: May 2025
View articletitled, Natural relationship between classical orbits and quantum Hamiltonians for the Kepler problem
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Journal Articles

A derivation of precessional effects in the Foucault pendulum using complex numbers

Open Access
Morgan Facchin
Journal: American Journal of Physics
Am. J. Phys. 93, 308–313 (2025)
https://doi.org/10.1119/5.0237736
Published: April 2025
View articletitled, A derivation of precessional effects in the Foucault pendulum using complex numbers
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Journal Articles

Revisiting Sommerfeld's atomic model using Euler–Lagrange dynamics

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Wilder R. Cardoso, Mariana C. Nakagaki
Journal: American Journal of Physics
Am. J. Phys. 92, 872–877 (2024)
https://doi.org/10.1119/5.0219344
Published: November 2024
View articletitled, Revisiting Sommerfeld's atomic model using Euler–Lagrange dynamics
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Journal Articles

A modern interpretation of Newton's theorem of revolving orbits

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Nolan Samboy, Joseph Gallant
Journal: American Journal of Physics
Am. J. Phys. 92, 343–348 (2024)
https://doi.org/10.1119/5.0166698
Published: May 2024
View articletitled, A modern interpretation of Newton's theorem of revolving orbits
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Includes: Supplementary data
Journal Articles

Acceptable solutions of the radial Schrödinger equation for a particle in a central potential

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J. Etxebarria
Journal: American Journal of Physics
Am. J. Phys. 91, 792–795 (2023)
https://doi.org/10.1119/5.0141536
Published: October 2023
View articletitled, Acceptable solutions of the radial Schrödinger equation for a particle in a central potential
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Includes: Supplementary data
Journal Articles

Dynamical symmetries behind Bertrand's theorem

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Christian Carimalo
Journal: American Journal of Physics
Am. J. Phys. 89, 1012–1017 (2021)
https://doi.org/10.1119/10.0005452
Published: November 2021
View articletitled, Dynamical symmetries behind Bertrand's theorem
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Journal Articles

In this issue: November 2021

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Joseph Amato, Claire A. Marrache-Kikuchi, Beth Parks, B. Cameron Reed
Journal: American Journal of Physics
Am. J. Phys. 89, 989–990 (2021)
https://doi.org/10.1119/5.0070678
Published: November 2021
View articletitled, In this issue: November 2021
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Journal Articles

In this issue: September 2021

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Beth Parks
Beth Parks
Journal: American Journal of Physics
Am. J. Phys. 89, 825–826 (2021)
https://doi.org/10.1119/5.0063156
Published: September 2021
View articletitled, In this issue: September 2021
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Journal Articles

Elastic collisions of smooth spherical objects: Finding final velocities in four simple steps

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Mojca Čepič
Journal: American Journal of Physics
Am. J. Phys. 87, 200–207 (2019)
https://doi.org/10.1119/1.5089753
Published: March 2019
View articletitled, Elastic collisions of smooth spherical objects: Finding final velocities in four simple steps
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Includes: Supplementary data
Journal Articles

Newton's graphical method for central force orbits

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Michael Nauenberg
Journal: American Journal of Physics
Am. J. Phys. 86, 765–771 (2018)
https://doi.org/10.1119/1.5050620
Published: October 2018
View articletitled, Newton's graphical method for central force orbits
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Journal Articles

Another comment on “The physical origin of torque and of the rotational second law” [Am. J. Phys. 83 , 121–125 (2015)]

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Igor N. Gorbatyy, Alexander A. Tarusov
Journal: American Journal of Physics
Am. J. Phys. 85, 315–317 (2017)
https://doi.org/10.1119/1.4975383
Published: April 2017
View articletitled, Another comment on “The physical origin of torque and of the rotational second law” [Am. J. Phys. 83 , 121–125 (2015)]
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Journal Articles

Reply to “Comment on ‘The physical origin of torque and of the rotational second law’” [Am. J. Phys. 83 , 121–125 (2015)]

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Daniel J. Cross
Journal: American Journal of Physics
Am. J. Phys. 84, 147–148 (2016)
https://doi.org/10.1119/1.4938054
Published: February 2016
View articletitled, Reply to “Comment on ‘The physical origin of torque and of the rotational second law’” [Am. J. Phys. 83 , 121–125 (2015)]
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Journal Articles

Comment on “Is Newton’s second law really Newton’s?” by Bruce Pourciau [Am. J. Phys. 79(10), 1015–1022 (2011)]

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Michael Nauenberg
Journal: American Journal of Physics
Am. J. Phys. 80, 931–933 (2012)
https://doi.org/10.1119/1.4736746
Published: October 2012
View articletitled, Comment on “Is Newton’s second law really Newton’s?” by Bruce Pourciau [Am. J. Phys. 79(10), 1015–1022 (2011)]
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Journal Articles

Rotational kinematics of a particle in rectilinear motion: Perceptions and pitfalls

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K. K. Mashood, Vijay A. Singh
Journal: American Journal of Physics
Am. J. Phys. 80, 720–723 (2012)
https://doi.org/10.1119/1.4721641
Published: August 2012
View articletitled, Rotational kinematics of a particle in rectilinear motion: Perceptions and pitfalls
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Journal Articles

Orbits of the Kepler problem via polar reciprocals

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E. D. Davis
Journal: American Journal of Physics
Am. J. Phys. 79, 1246–1249 (2011)
https://doi.org/10.1119/1.3639130
Published: December 2011
View articletitled, Orbits of the Kepler problem via polar reciprocals
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Journal Articles

Inverse problem and Bertrand’s theorem

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Yves Grandati, Alain Bérard, Ferhat Ménas
Journal: American Journal of Physics
Am. J. Phys. 76, 782–787 (2008)
https://doi.org/10.1119/1.2899733
Published: August 2008
View articletitled, Inverse problem and Bertrand’s theorem
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Journal Articles

Matrix analysis of classical elastic collisions

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John H. Carter, Michael Lieber
Journal: American Journal of Physics
Am. J. Phys. 75, 758–759 (2007)
https://doi.org/10.1119/1.2742395
Published: August 2007
View articletitled, Matrix analysis of classical elastic collisions
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Journal Articles

Areal velocity and angular momentum for non-planar problems in particle mechanics

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James Casey
Journal: American Journal of Physics
Am. J. Phys. 75, 677–685 (2007)
https://doi.org/10.1119/1.2735630
Published: August 2007
View articletitled, Areal velocity and angular momentum for non-planar problems in particle mechanics
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Journal Articles

The first-order orbital equation

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Maurizio M. D’Eliseo
Journal: American Journal of Physics
Am. J. Phys. 75, 352–355 (2007)
https://doi.org/10.1119/1.2432126
Published: April 2007
View articletitled, The first-order orbital equation
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