Physics Unit16: Electric Charge and Electric Field (id: ca0a39458)

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 atomic nucleus has a chargeh+me(7lowvk . qe :nn4g,u4h4 raubk9 )jluxd j- +,ve of $+40e$. An electron is $10^{-9} \; m$ from the nucleus. What is the force on the electron?

A. $2.9 \; nN$
B. $1000 \; C$
C. $3.7 \; nN$
D. $6.8 \; nN$
E. $9.2 \; nN$


参考答案:  E


本题详细解析: 暂无

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