Question

Charges q1=3q and q2=7q are a distance L apart. a) Calculate the electric field of q1...

Charges q1=3q and q2=7q are a distance L apart.

a) Calculate the electric field of q1 at the position of q2

b) Calculate the force acting on q2

c) Calculate the total electric field at the midpoint between q1 and q2

If somebody could explain this I'd really appreciate it. Thanks!

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