Answer to Question #50898 in Electricity and Magnetism for John

Question

a uniform electric field of 200 N/C is on the x-direction. A point charge of 3uc is released from rest at the origin. what is the kinetic energy of the charge when it is at x = 4m ?
a) 2.4 x 10^-2j
b) 1.6 x 10^-2j
c) 3.6 x 10^-2j
d) 4.8 x 10^-2j