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兩個剛體的碰撞研究

A Study on Scattering of Two Rigid Bodies

摘要


眾所周知一般說來,關於兩個物體的彈性碰撞的一些問題無法被確切解決。這是因爲有6個未知數但只有4個方程式。爲了解決這個問題,我們能指定兩個變數爲參數。例如,入射粒子的入射方向和散佈方向之間的角度可能是一個好參數。爲更逼真,我們可假設二個物體是二個盤子。 它是一個繁複但不是深奧的問題。大多數教科書不詳細描述它是由於它太冗長。本文的目的是發展教科書的分析並且繪製一些關於散射問題的圖表以使讀者更清楚。假如讀者喜歡撞球運動的話將更能吸引他們的注意。

關鍵字

散射 自轉 動量 角動量 守恆

並列摘要


It is well known that the problems about the elastic collision of two bodies in 2-D space can not be exactly solved generally. It is because there are six unknown hut four equations. In order to solve this problem, we can appoint two variables as the parameters. For example, the angle between the incidence direction and scattering direction of the injected particle could be a good parameter. For more realistic we can suppose the two bodies are two discs. It is a complex but not profound problem. Most textbooks don't describe it completely owing to it being long-winded. The purpose of the paper is to develop the analysis of the textbook and plot some figures which can make readers more clear about scattering problems. It will attract readers' attention if they like billiard sport.

並列關鍵字

Scattering Spin Momentum Angular Momentum Conservation

延伸閱讀


國際替代計量