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

Answer:
it is a force
Explanation:
a force is a push or a pull
Answer:
I think its the Blue wave, im not sure so dont take my word for it.
Explanation:
The answer is B. magnesium I am pretty sure
E, 63% of the value. I forget the rationale behind it but I learnt that in engineering. 90% confident for that answer.