The work done by the electric force is 2.2 x 10⁻⁶ J.
The speed of the particle is calculated as follows;
Fd = K.E
where;
The produce of electric force and the displacement of the particle is equal to work to done on the particle by the electric force.
Also, based on the principle of conservation of energy, the work done done by the electric force is equal to the kinetic energy of the particle.
Thus, the work done by the electric force is 2.2 x 10⁻⁶ J.
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