Answer to Question #45663 in Electricity and Magnetism for irebami

Question

A uniform electric field of 200 N/C is in the x-direction. A point charge of 3μC is released from rest at the origin. What is the kinetic energy of the charge when it is at x = 4 m?
a. 2.4×10−2J
b. 1.6×10−2J
c. 3.6×10−2J
d. 4.8×10−2J