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Volume 55, Issue 10

October 1987

All Issues

ISSN 0002-9505

EISSN 1943-2909

In this Issue

Letters To The Editor
Editorial
Papers
Notes and Discussions
Apparatus Notes
Book Reviews

Letters To The Editor

Some comments in support of ‘‘Why Johnny can’t learn...’’

Robert N. Varney

Am. J. Phys. 55, 871 (1987) https://doi.org/10.1119/1.14932

View articletitled, Some comments in support of ‘‘Why Johnny can’t learn...’’

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Longitude and the moons of Jupiter

James Cederberg

Am. J. Phys. 55, 871 (1987) https://doi.org/10.1119/1.14933

View articletitled, Longitude and the moons of Jupiter

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Beware of laser eavesdropping

Forrest M. Mims, III

Am. J. Phys. 55, 871–872 (1987) https://doi.org/10.1119/1.14934

View articletitled, Beware of laser eavesdropping

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The origin of misconceptions in optics?

William J. Beaty

Am. J. Phys. 55, 872–873 (1987) https://doi.org/10.1119/1.14935

View articletitled, The origin of misconceptions in optics?

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Painting the king’s tower

Christophe Tzara

Am. J. Phys. 55, 873 (1987) https://doi.org/10.1119/1.14936

View articletitled, Painting the king’s tower

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Antenna formulas

Mark A. Heald

Am. J. Phys. 55, 873–874 (1987) https://doi.org/10.1119/1.14937

View articletitled, Antenna formulas

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Ptolemy’s originality

Johannes Hardorp

Am. J. Phys. 55, 874 (1987) https://doi.org/10.1119/1.14938

View articletitled, Ptolemy’s originality

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Editorial

Editorial: Problem‐solving skill: What does it mean?

John S. Rigden

Am. J. Phys. 55, 877 (1987) https://doi.org/10.1119/1.14944

View articletitled, Editorial: Problem‐solving skill: What does it mean?

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Papers

Promoting student crossover to the Newtonian world

R. R. Hake

Am. J. Phys. 55, 878–884 (1987) https://doi.org/10.1119/1.14945

Abstract

View articletitled, Promoting student crossover to the Newtonian world

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Teaching of transcendence in physics

Stanley L. Jaki

Am. J. Phys. 55, 884–888 (1987) https://doi.org/10.1119/1.14946

Abstract

View articletitled, Teaching of transcendence in physics

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How not to focus a small source with a single lens

William S. Heaps

Am. J. Phys. 55, 888–890 (1987) https://doi.org/10.1119/1.14947

Abstract

View articletitled, How not to focus a small source with a single lens

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The appropriate use of microcomputers in undergraduate physics labs

D. A. Briotta; P. F. Seligman; P. A. Smith; C. D. Spencer

Am. J. Phys. 55, 891–897 (1987) https://doi.org/10.1119/1.14948

Abstract

View articletitled, The appropriate use of microcomputers in undergraduate physics labs

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Rotating discontinuity of the bowed string using computer graphics

Judith C. Brown

Am. J. Phys. 55, 898–903 (1987) https://doi.org/10.1119/1.14949

Abstract

View articletitled, Rotating discontinuity of the bowed string using computer graphics

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Interesting results for rolling and slipping

K. Capell

Am. J. Phys. 55, 903–906 (1987) https://doi.org/10.1119/1.14950

Abstract

View articletitled, Interesting results for rolling and slipping

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The strange polarization of the classical atom

Johndale C. Solem

Am. J. Phys. 55, 906–909 (1987) https://doi.org/10.1119/1.14951

Abstract

View articletitled, The strange polarization of the classical atom

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Energy in the center of mass

Eugene Levin

Am. J. Phys. 55, 909–913 (1987) https://doi.org/10.1119/1.14952

Abstract

View articletitled, Energy in the center of mass

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An operator solution for the hydrogen atom with application to the momentum representation

O. L. de Lange; R. E. Raab

Am. J. Phys. 55, 913–917 (1987) https://doi.org/10.1119/1.14953

Abstract

View articletitled, An operator solution for the hydrogen atom with application to the momentum representation

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A spherical mirror Fabry–Perot interferometer for microwave demonstrations

Lawrence W. Davis; George Patsakos

Am. J. Phys. 55, 917–920 (1987) https://doi.org/10.1119/1.14954

Abstract

View articletitled, A spherical mirror Fabry–Perot interferometer for microwave demonstrations

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The Rutherford cross section and the perihelion shift of Mercury with the Runge–Lenz vector

Carlos Farina; Marcos Machado

Am. J. Phys. 55, 921–923 (1987) https://doi.org/10.1119/1.14955

Abstract

View articletitled, The Rutherford cross section and the perihelion shift of Mercury with the Runge–Lenz vector

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Effect of the boundary conditions on the accuracy of perturbation theory

M. Coronado; N. Domínguez; J. Flores; C. de la Portilla

Am. J. Phys. 55, 924–929 (1987) https://doi.org/10.1119/1.14906

Abstract

View articletitled, Effect of the boundary conditions on the accuracy of perturbation theory

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Extreme values problems in mechanics without calculus

Se‐yuen Mak

Am. J. Phys. 55, 929–931 (1987) https://doi.org/10.1119/1.14907

Abstract

View articletitled, Extreme values problems in mechanics without calculus

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Use of the ‘‘Welch’’ scattering apparatus

Robert I. Price

Am. J. Phys. 55, 931–933 (1987) https://doi.org/10.1119/1.14908

Abstract

View articletitled, Use of the ‘‘Welch’’ scattering apparatus

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Improvements in the demonstration of the hysteresis loops of ferromagnetic materials

Yunchi Meng; Zhujian Liang

Am. J. Phys. 55, 933–937 (1987) https://doi.org/10.1119/1.14909

Abstract

View articletitled, Improvements in the demonstration of the hysteresis loops of ferromagnetic materials

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Central drift of freely moving balls on rotating disks: A new method to measure coefficients of rolling friction

Klaus Weltner

Am. J. Phys. 55, 937–942 (1987) https://doi.org/10.1119/1.14910

Abstract

View articletitled, Central drift of freely moving balls on rotating disks: A new method to measure coefficients of rolling friction

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Is length contraction really paradoxical?

G. P. Sastry

Am. J. Phys. 55, 943–946 (1987) https://doi.org/10.1119/1.14911

Abstract

View articletitled, Is length contraction really paradoxical?

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Notes and Discussions

Projectile motion maxima—An omnipresent orthogonality

Philip A. Macklin

Am. J. Phys. 55, 947 (1987) https://doi.org/10.1119/1.14912

View articletitled, Projectile motion maxima—An omnipresent orthogonality

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Plotting the charge distribution of a closed‐loop conducting wire using a microcomputer

John B. Ross

Am. J. Phys. 55, 948–950 (1987) https://doi.org/10.1119/1.14913

View articletitled, Plotting the charge distribution of a closed‐loop conducting wire using a microcomputer

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Ladder operators for orbital angular momentum

O. L. de Lange; R. E. Raab

Am. J. Phys. 55, 950–951 (1987) https://doi.org/10.1119/1.14914

View articletitled, Ladder operators for orbital angular momentum

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Comment on ‘‘Volume exclusion correction to the ideal gas with a lattice gas model’’ [Am. J. Phys. 54, 54 (1986)]

Marshall Luban

Am. J. Phys. 55, 951 (1987) https://doi.org/10.1119/1.14915

View articletitled, Comment on ‘‘Volume exclusion correction to the ideal gas with a lattice gas model’’ [Am. J. Phys. 54, 54 (1986)]

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Addendum: Distribution of neighbors other than the nearest

M. Berberan Santos

Am. J. Phys. 55, 952 (1987) https://doi.org/10.1119/1.14916

View articletitled, Addendum: Distribution of neighbors other than the nearest

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Erratum: ‘‘Gravitational fields and the cosmological constant in multidimensional Newtonian universes’’ [Am. J. Phys. 54, 726 (1986)]

D. Wilkins

Am. J. Phys. 55, 952 (1987) https://doi.org/10.1119/1.15324

View articletitled, Erratum: ‘‘Gravitational fields and the cosmological constant in multidimensional Newtonian universes’’ [Am. J. Phys. 54, 726 (1986)]

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Erratum: ‘‘Slinky whistlers’’ [Am. J. Phys. 55, 130 (1987)]

Frank S. Crawford

Am. J. Phys. 55, 952 (1987) https://doi.org/10.1119/1.15325

View articletitled, Erratum: ‘‘Slinky whistlers’’ [Am. J. Phys. 55, 130 (1987)]

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Note on Kroemer’s proof of ℏ⋅d k/dt=F [Am. J. Phys. 54, 177 (1986)]

C. L. Cook

Am. J. Phys. 55, 953 (1987) https://doi.org/10.1119/1.14917

View articletitled, Note on Kroemer’s proof of ℏ⋅d k/dt=F [Am. J. Phys. 54, 177 (1986)]

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Erratum: ‘‘Derivation of the potential energy for the inverse square force—Without calculus’’ [Am. J. Phys. 54, 944 (1986)]

J. V. Mallow

Am. J. Phys. 55, 953 (1987) https://doi.org/10.1119/1.15331

View articletitled, Erratum: ‘‘Derivation of the potential energy for the inverse square force—Without calculus’’ [Am. J. Phys. 54, 944 (1986)]

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Apparatus Notes

Thermal switch oscillators

Jay S. Huebner

Am. J. Phys. 55, 954–955 (1987) https://doi.org/10.1119/1.14918

View articletitled, Thermal switch oscillators

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Brownian movement: An improved TV demonstration

Haym Kruglak

Am. J. Phys. 55, 955–956 (1987) https://doi.org/10.1119/1.14919

View articletitled, Brownian movement: An improved TV demonstration

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Book Reviews

The Ghost in the Atom

P. C. W. Davies; J. R. Brown; Philip Pearle

Am. J. Phys. 55, 957–958 (1987) https://doi.org/10.1119/1.14920

View articletitled, The Ghost in the Atom

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Chaos

Arun V. Holden; John Guckenheimer

Am. J. Phys. 55, 959 (1987) https://doi.org/10.1119/1.14921

View articletitled, Chaos

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