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