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 spaced by a di yv6k yb5 vxazpu:3-a4stance R, whn3*9r;/o97zssqrbtzzf8 jb ew ebh2p go8//xat is the ratio of the gravitationa/b/ 8zt obfw jzbs*g3nqrpezo9r79/82 s; xhel force that one
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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