[填空题]
A proton is released ip 1asb4hfxv*4 04aoxo n a)yzk+tz zwh3; uniform electric field, and it experiences an electric force z) k3;yhz z+twof $ 3.75\times10^{ -14}\,N$ toward the south. What are the magnitude and direction of the electric field?
$ \times10^{5 }\,N/C$