Chapter 18, Problem 37TP

To determine

(a)

The magnitude of electric field that exerts the force.

Conclusion:

Therefore,the magnitude of electric field is $350\raisebox{1ex}{$N$}\!\left/ \!\raisebox{-1ex}{$C$}\right.$

To determine

(b)

The direction of the field.

To determine

(c)

The magnitude of the force when electron is replaced by proton.

To determine

(d)

To find out the direction of force on the proton.