The Electric Field in a Cathode Ray Tube Is Supposed

The electric field in a cathode ray tube is supposed to accelerate electrons from 0 to 3.2 × 10⁷ m/s in a distance of 2.00 cm.What electric field is required? (m_e = 9.11 × 10−³¹ kg and e = 1.60 × 10−¹⁹ C) ​

A) 4.6E+4 N/C
B) 2.3E+5 N/C
C) 1.5E+5 N/C
D) 2.9E+5 N/C
E) 1.6E+4 N/C