用《几何画板》研究电子在正交电场和磁场中的运动

RESEARCH ON THE MOTION OF AN ELECTRON IN THE ORTHOGONAL ELECTRIC AND MAGNETIC FIELDS USING A GEOMETRIC SKETCHPAD

基于电子在正交均匀电场和磁场中统一的运动方程,借助《几何画板》5.00制作了电子运动的动画,系统地研究了电子的初速度对电子运动摆线形状的影响.

Based on the unified motion equations of an electron in the orthogonal uniform elec tric and magnetic fields, we make some animated cartoons for the electron motion on the plat form of a geometric sketchpad 5.00. Effect of the initial velocity on the appearance of the cy cloid trajectory of the electronic motion is systematically discussed.