A particle of charge +3.0 x 10-8 is in a unifrom electric field directed to the left. It is released from rest and moves a distance of 5.0 cm and its kinetic energy is increased by +4.5 x 10-4 J.
a) What is the work fone by the electric force? units?
b) What is the magnitude of the electric field? units?
c) What is the electric potential of the starting point relative to the endpoint of the path? units?