James Burkett Hartle, Gravity: An Introduction to Einstein's General Relativity, 2nd edition

Chapter 2. Geometry as Physics 제2장. 물리학으로서의 기하학

문제(Problem) 7 및 해설(Solution)

7ff38768f5dc3f8650bbd58b36887c6c5fb9

7ff38768efc23f8650bbd58b36807568465e9f13


쉽네요