# John F. Goehl, Jr., Ph.D.

Professor of Physics

### PhD in Physics, University of Notre Dame, 1969

BS in Physics, University of Notre Dame, 1962

Joined Barry: August 1977

## Courses

- CHE 240 / PHY 240/ MAT 240 History / Philosophy of Science for Honor Students
- PHY 201, PHY 201L General College Physics with Lab, I
- PHY 202, PHY 202L General College Physics with Lab, II
- PHY 211, PHY 211L University Physics with Lab, I
- PHY 212, PHY 212L University Physics with Lab, II
- PHY 300 Special Topics in Physics
- PHY 395, PHY 495 Research

## Research Interests

- Pedagogical research in physics
- Problems in undergraduate physics
- Mathematical problems in number theory
- Problems in undergraduate mathematics

## Selected Research Publications

- "Problem 28, April 2000" Math. Teach. 95, 84 (2002),
*Reader Reflections* - "Problem 23, December 2000" Math. Teach. 95, 117 (2002),
*Reader Reflections* - "Problem 6, January 2001", Math. Teach. 95, 117 (2002)
*Reader Reflections* - "Calendar Problem 29, May 2001", Math. Teach. 95, 183 (2002)
*Reader Reflections* - "Problem 1, October 2001", Math. Teach. 95, 478 (2002)
*Reader Reflections* - "For n ≠ 1 …", Math. Teach. 95, 484 (2002)
*Reader Reflections* - "Previous Apparent-Depth Papers", Phys. Teach. 41, 4 (2003),
*Letter* - "Correction" Math. Teach. 96, 85 (2003),
*Reader Reflections* - "Other pseudo-inverse functions" Math. Teach. 96, 164 (2003),
*Reader Reflections* - "Pythagorean Triples" Math. Teach. 96, 308 (2003),
*Reader Reflections*(response) - "Problem 6, January 2001" Math. Teach. 96, 343 (2003),
*Reader Reflections*(response) - "Alternative Projectile Experiment", Phys. Teach. 41, L-4 (2003),
*letter*(online) - "Square Investigations" Math. Teach. 96, 533 (2003),
*Reader Reflections* - "A Spring Fling", Phys. Teach. 42, 55 (2004),
*Physics Challenges* - "Pythagorean triples", Math. Teach. 97, 163 (2004),
*Reader Reflections* - "Commuting polynomials", Math. Teach. 97, 206 (2004),
*Reader Reflections*(response) - "More digits of n", Math. Teach. 97, 242 (2004),
*Reader Reflections* - "Problem 20, September 2002", Math. Teach. 97, 309 (2004),
*Reader Reflections* - "Problem 27, January 2003", Math. Teach. 97, 350 (2004),
*Reader Reflections* - "Problem 27, November 2003", Math. Teach. 98, 54 (2004),
*Reader Reflections* - "A Picture Is Worth 137 Words", Phys. Teach. 42, S1 (2004),
*Physics Challenges* - "Learning from Our Students", Phys. Teach. 43, 197 (2005),
*Letter* - "Triples, Quartets, Pentads", Math. Teach. 98, 580 (2005),
*Reader Reflections* - "The Slide Rule", Phys. Teach. 43, (2005), December 2005
*Physics Challenge* - "Cubic Vertices Revisited", Math. Teach. 99, 390 (2006),
*Reader Reflections* - "Pythagorean Triples", Math. Teach. 100, 91 (2006),
*Reader Reflections* - "Vertices and X-Intercepts of Parabolas (II)", Math. Teach. 100, 171 (2006),
*Reader Reflections* - "Neither Here Nor There", Phys. Teach. 44, (2006), September 2006
*Physics Challenge* - "Problem 24, February 2006", Math. Teach. 100, 238 (2006),
*Reader Reflections* - "Problem 22, November 2006", Math. Teach. 101, 166 (2007),
*Reader Reflections* - "Number Pattern Explained", Math. Teach. 101, 247 (2007),
*Reader Reflections* - "Triangles and Triangle Area, continued", Math. Teach. 102, 647 (2009),
*Reader Reflections* - "Problem 12, September 2008 Calendar" Math. Teach. 103, 9 (2009),
*Reader Reflections*, with C. D. Akel - "More on Strange Ellipses" Math. Teach. 103, 94 (2009),
*Reader Reflections* - "Pythagorean triangles with square of perimeter equal to an integer multiple of area" Forum Geometricorum 9, 281 (2009)
- "Multinomial Expansion" Math. Teach. 104, 404 (2011),
*Reader Reflections* - “More Integer Triangles with R/r = N” Forum Geometricorum 12, 27 (2012)
- “Finding Integer Triangles with P2 = nA” Forum Geometricorum 12, 211 (2012)
- “Quantitative investigation of axes-exchange in linear fit analysis” Eur. J. Phys. 34, 107 (2013), with M. Giannotti and R. D. Forcier

## Selected Conference Presentations

- 128th National Meeting of the American Association of Physics Teachers, Miami Beach, January 26, 2004: "Relativistic Elastic Collisions in One Dimension – an Undergraduate Discussion" (coauthored with Dr. Mysore Jagadish)
- Florida Section Meeting of the American Association of Physics Teachers, Sante Fe Community College in Gainesville, Florida, April 3, 2004: "Block on an incline, μk from a linear plot"
- Florida Section Meeting of the American Association of Physics Teachers, Florida International University in Miami, Florida, April 9, 2005: "Boatload of Pennies Revisited"
- Florida Section Meeting of the American Association of Physics Teachers, Florida International University in Miami, Florida, April 2, 2012: “Obstacles, Particle Paths, and Problem Solving”
- Florida Section Meeting of the American Association of Physics Teachers, Eckard College in Saint Petersburg, Florida, October 13, 2012: “Quantitative Investigation of the Axes-Exchange in the Linear Fit Analysis” (co-presented with M. Giannotti)

## Honors / Awards

- Winner of the February 2005 contest: Physics Challenges for Teachers and Students announced in the Physics Teacher 43, 312 (2005)
- Twenty-Five Years of Dedicated Service, 2002
- Outstanding Support for the Athletic Program, 1994 - 1995
- Thirty Years of Dedicated Service, 2007
- Thirty Five Years of Dedicated Service, 2012

## Professional Memberships

- American Association of Physics Teachers
- Gamma Sigma Epsilon, Chemistry Honor Society

## Contact Information

Office: Wiegand 127

Telephone: 305-899-3436

Fax: 305-899-3479

Email: jgoehl@barry.edu