Answer:
![V=\sqrt{(2dqE)/(m)}](https://img.qammunity.org/2020/formulas/physics/college/9ubt2cbedvgmgcc7w8noryg5nlpnfqws2r.png)
Step-by-step explanation:
Given that
Mass = m
Electric filed = E
Initial velocity = 0 m/s
We know that
F= q E -----------1
F= m a --------2
a=Acceleration
F= Force
From equation 1 and 2
q E = m a
a= q E/m
We also know that
![V^2=V_o^2+2aS](https://img.qammunity.org/2020/formulas/physics/college/o0i1hbe7hnhhxwh6o57wjgr89bz6rj9wfe.png)
So
Vo = 0
V²= 0² + 2 q E/m x d
![V=\sqrt{(2dqE)/(m)}](https://img.qammunity.org/2020/formulas/physics/college/9ubt2cbedvgmgcc7w8noryg5nlpnfqws2r.png)
This is velocity of charge q after distance d .