Physics Unit16: Electric Charge and Electric Field (id: 2ace3763a)

本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 国际高中通用物理

[单选题]
An electron is held ,6,2 k6cfdu;eof jrcclm9z9p,+j+ms83yb 2e lhwq iee+vz ;iup against the force of gravity by the attraction of a fixed proton some dis mz9 +v;w3 iebe,eysjpq92zill 8++mhtance above it. How far above the electron is the proton?

A. $1.5 \; m$
B. $2.3 \; m$
C. $3.7 \; m$
D. $5.1 \; m$


参考答案:  D


本题详细解析: 暂无

微信扫一扫，分享更方便