本题目来源于试卷: Electrostatic Force and Electric Field，类别为 美国物理杯赛(Physics Bowl)
[单选题]
07.25: If two protons are sph*mo+dhv p5-ys.xa:x 2r w2bq aced by a d3ly1xbr og guy58/u5(i vci* distance R, what is the ratio of the gravitational force that one8( 15l *cvgy u3i obxiyd5/gur
proton exerts on the other to the electric force that one proton exerts on the other?That is,$\frac{F_{gravity}}{F_{electric}}$=
A. $≈10^{-8}$
B. $≈10^{-16}$
C. $≈10^{-20}$
D. $≈10^{-36}$
E. $≈10^{-43}$
参考答案: D
本题详细解析:
暂无
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