4. [-/6 Points] DETAILS SERCP11 15.3.OP.020. 0/5 Submissions Used Inside a cathode ray tube, an electron is in the presence of a uniform electric field with a magnitude of 295 N/C. (a) What is the magnitude of the acceleration of the electron (in m/s-)? m/s2 (b) The electron is initially at rest. What is its speed (in m/s) after 1.15 x 10 s? m/s Need Help? Read It