摘要: \[E = \frac{mv^2}{2}+ U(x) \]p = mv, because we can not determine a speed of a particle. Velocity is Frame-Dependent, Momentum is More Universal. \[\n 阅读全文
posted @ 2025-10-27 23:43 千心 阅读(1) 评论(0) 推荐(0)