Electric Charge and Electric Field (id: e90944ccc)

本题目来源于试卷: Electric Charge and Electric Field，类别为 IB物理学

[填空题]
An electron moving to the right at 1.0% the speed of light enters a unifor5k1+qtmk*6,i acv v ure :au ppeth.+ug28 psnv66 :oybwm0a;m electric field parallel to its direction of motion. If the electron is to be brought to rest in the space bsvh y.e ptu2gap n6puema8w:: 6o+0;of 4.0 cm,
(a) what direction is required for the electric field,  ----待选择----rightleft 
(b) what is the strength of the field?    N/C

参考答案:
空格1: right  空格2: 640±2% 


本题详细解析:

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