10.
设\(F\)\((1,0)\),点\(M\)在\(x\)轴上,点\(P\)在\(y\)轴上,且\(\overrightarrow{MN}=2\overrightarrow{MP}\),\(\overrightarrow{PM}·\overrightarrow{PF}=0\).
\((1)\)当点\(P\)在\(y\)轴上运动时,求点\(N\)的轨迹\(C\)的方程;
\((2)\)设\(A\)\((\)\(x\)\({\,\!}_{1}\),\(y\)\({\,\!}_{1})\),\(B\)\((\)\(x\)\({\,\!}_{2}\),\(y\)\({\,\!}_{2})\),\(D\)\((\)\(x\)\({\,\!}_{3}\),\(y\)\({\,\!}_{3})\)是曲线\(C\)上除去原点外的不同三点,且\(|\overrightarrow{AF}|\),\(|\overrightarrow{BF}|\),\(|\overrightarrow{DF}|\)成等差数列,当线段\(AD\)的垂直平分线与\(x\)轴交于点\(E\)\((3,0)\)时,求点\(B\)的坐标.