Answer:
a)
The magnitude of the attractive force is 
b)
The magnitude of the repulsive force is 
c)
The magnitude of the net force is 
Explanation:
The explanation is shown on the first and second uploaded image
B i think that the answer so
Velocity is not changing.
Acceleration is zero.
Net force is zero.
The relationship between electricity and magnetism is called<span> electromagnetism.</span>