Answer:
IV because the process of water is equal to 5,8 to 783253.23 to the hendroxagram of 4.
Explanation:
Let the sphere is having charge Q and radius R
Now if the proton is released from rest
By energy conservation we can say



now take square root of both sides

so the proton will move by above speed and
here Q = charge on the sphere
R = radius of sphere
