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LETTERS TO THE EDITOR
FIGURING PHYSICS
Answer to April 2021 Figuring Physics
Phys. Teach. 59, A228 (2021)
https://doi.org/10.1119/10.0004172
PAPERS
Stop-Motion Animation to Model the Analemma
Phys. Teach. 59, 230–231 (2021)
https://doi.org/10.1119/10.0004142
A Foucault Pendulum Pilgrimage in Paris
Phys. Teach. 59, 232–235 (2021)
https://doi.org/10.1119/10.0004143
Apparatus Named After Our Academic Ancestors – V
Phys. Teach. 59, 236–238 (2021)
https://doi.org/10.1119/10.0004144
Classical Doppler Effect in Some Accelerated Systems
Phys. Teach. 59, 239–242 (2021)
https://doi.org/10.1119/10.0004145
Rotation of Spherical Magnet Falling Through a Slit Copper Pipe
Phys. Teach. 59, 243–246 (2021)
https://doi.org/10.1119/10.0004146
A Race Between Rolling and Sliding Up and Down an Incline
Phys. Teach. 59, 247–249 (2021)
https://doi.org/10.1119/10.0004147
A Rotational Dynamics Laboratory Upgrade
Phys. Teach. 59, 250–252 (2021)
https://doi.org/10.1119/10.0004148
When Negative Is Not “Less than Zero”: Electric Charge as a Signed Quantity
Phys. Teach. 59, 253–256 (2021)
https://doi.org/10.1119/10.0004149
The Original Bell Theorem without Calculus
Phys. Teach. 59, 258–259 (2021)
https://doi.org/10.1119/10.0004150
Standing Vertical Jumps – Sports Physics with a Smartphone
Phys. Teach. 59, 264–267 (2021)
https://doi.org/10.1119/10.0004152
Shear Modulus Determination Using the Smartphone in a Torsion Pendulum
Phys. Teach. 59, 268–271 (2021)
https://doi.org/10.1119/10.0004154
Diffraction Experiments with a Smart Cart
Phys. Teach. 59, 272–274 (2021)
https://doi.org/10.1119/10.0004155
The Pedagogical Power of Wonder Questions
Phys. Teach. 59, 275–277 (2021)
https://doi.org/10.1119/10.0004156
Converting Physlets and Other Java Programs to JavaScript
Phys. Teach. 59, 278–281 (2021)
https://doi.org/10.1119/10.0004157
An Analysis of Shadows Made from Sunlight Reflected by a Curved Surface
Phys. Teach. 59, 282–283 (2021)
https://doi.org/10.1119/10.0004158
Understanding a Paradox in Special Relativity
Phys. Teach. 59, 284–285 (2021)
https://doi.org/10.1119/10.0004159
Motivating Premedical Students to Get Interested in Physics
Phys. Teach. 59, 288–290 (2021)
https://doi.org/10.1119/10.0004161
Observing Solar Limb Darkening in the Classroom
Phys. Teach. 59, 292–293 (2021)
https://doi.org/10.1119/10.0004162
AND THE SURVEY SAYS…
Junior and senior level physics major enrollments
Phys. Teach. 59, 267 (2021)
https://doi.org/10.1119/10.0004153
IPHYSICSLABS
LED gates for measuring kinematic parameters using the ambient light sensor of a smartphone
Phys. Teach. 59, 298–299 (2021)
https://doi.org/10.1119/10.0004165
FERMI QUESTIONS
Question 1: Blooming trees; Question 2: Human energy
Phys. Teach. 59, 299 (2021)
https://doi.org/10.1119/10.0004166
Solutions for Fermi Questions, April 2021
Phys. Teach. 59, A299–A300 (2021)
https://doi.org/10.1119/10.0004173
TECHNOLOGY IN THE CLASSROOM
PHYSICS CHALLENGES FOR TEACHERS AND STUDENTS
Solution to the January, 2021 Challenge Shaking, sliding, and jumping.*
Phys. Teach. 59, A302–A304 (2021)
https://doi.org/10.1119/10.0004174
Solution to the February, 2021 Challenge Mirror, mirror… and the wall!*
Phys. Teach. 59, A303–A304 (2021)
https://doi.org/10.1119/10.0004175
