3 papers
physics.class-ph2023
Thinking Hard About Physics Before Calculating: An Example from Pendulum Physics
Zhiwei Chong
This paper aims to show how to guide students with a familiar example to extract as much physics as possible before jumping into mathematical calculation. The period for a physical…
physics.class-ph2023
A Close Examination on Inelastic Collision
Zhiwei Chong
This paper examines the details of an inelastic collision when a bullet shoots a block vertically upward from below. With the assumption of constant interaction force between them,…
physics.ed-ph2022
A Qualitative Analysis to Simple Harmonic Motion
Zhiwei Chong
This paper proposes a qualitative analysis to the simple harmonic motion for students who are not mathematically well-prepared. It uses the variation in speed and acceleration to s…