本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 通用国际物理
[单选题]
Two charges are separated by a distanc(,vjs (8vvuii ;yp3d pgu4i (7oc tg0ce d and exert mutual attractive forces of v(s0 4v 7igpgcoit(; uy3p dvcij,u8 (+h braksot-v3nay 2ly:fads/ ( p3w2:F on each other. If the charges are separated by a distance of d/3, what arvkw3(ys-l / abo2r apyf:+d s2:t 3hane the new mutual forces?
A. $F/9$
B. $F/3$
C. $3 \; F$
D. $9 \; F$
参考答案: D
本题详细解析:
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