Physics Electrostatics Level: Misc Level

In Figure ,an electron is projected from plate A,directly towards plate B,with an initial velocity of vo=2.0x107 m/s.The velocity of the electron as it strikes plate B is closest to ;

A)1.2X107 m/s

B)1.5X107 m/s

C)1.8X107 m/s

D)2.1X107m/s

E)2.4X107 m/s