$v_0= \sqrt{2\cdot \frac{e}{m}\cdot U_{\text b}} =$ ${2.652\cdot 10^7}$ $\frac{\text m}{\text s}$
$E=\frac {U_{\text p}}{\text d}=$ ${0}$ $\frac {\text V}{\text m}$
y(x) =