Free fall through an underground tunnel
Автор: Philosophiae Naturalis Principia Mathematica
Загружено: 2026-03-06
Просмотров: 33
Описание: The name `gravity train' has been used to describe the motion of a mass that is free falling through an underground tunnel that connect two distinct Earth locations. It turns out that the motion is simple harmonic. Every introductory physics book (book calculus-based and algebra-based) includes it as an end-of-chapter problem and invites students to write down the proof. This video presents this proof will all details.
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