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The paradox of the tight spiral pass in American football: A simple resolution
Multiple approaches to incorporating scattering states in non-degenerate perturbation theory
Plasma waves in a different frame
EDITORIAL
Editorial: In this issue: September 2020
Am. J. Phys. 88, 689 (2020)
https://doi.org/10.1119/10.0001691
BACK OF THE ENVELOPE
PAPERS
Electromagnetic radiation and the self-field of a spherical dipole oscillator
Am. J. Phys. 88, 693–703 (2020)
https://doi.org/10.1119/10.0001348
The paradox of the tight spiral pass in American football: A simple resolution
Am. J. Phys. 88, 704–710 (2020)
https://doi.org/10.1119/10.0001388
Multiple approaches to incorporating scattering states in non-degenerate perturbation theory
Am. J. Phys. 88, 711–722 (2020)
https://doi.org/10.1119/10.0001428
Plasma waves in a different frame
Am. J. Phys. 88, 723–733 (2020)
https://doi.org/10.1119/10.0001431
A first-year research experience: The Freshman Project in Physics at Loyola University Chicago
Am. J. Phys. 88, 734–739 (2020)
https://doi.org/10.1119/10.0001611
Numerical and analytical study of the bound states of the −α/x2 potential
Am. J. Phys. 88, 746–752 (2020)
https://doi.org/10.1119/10.0001533
NOTES AND DISCUSSIONS
Comment on “A computer model of classical rolling friction” [Am. J. Phys. 87, 720–728 (2019)]
Am. J. Phys. 88, 757–759 (2020)
https://doi.org/10.1119/10.0001633
INSTRUCTIONAL LABORATORIES AND DEMONSTRATIONS
An asymmetrical double torsion pendulum for studying coupled harmonic motion
Am. J. Phys. 88, 760–768 (2020)
https://doi.org/10.1119/10.0001613
COMPUTATIONAL PHYSICS
Weyl's problem: A computational approach
Am. J. Phys. 88, 769–783 (2020)
https://doi.org/10.1119/10.0001657
