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4. [-/6 Points] DETAILS SERCP11 15.3.OP.020. 0/5 Submissions Used MY NOTES ASK YOUR TEACHER Inside a radiation therapy device, an electron is in the presence of a uniform electric field with a magnitude of 330 N/C. (a) What is the magnitude of the acceleration of the electron (in m/s2)? m/$2 (b) The electron is initially at rest. What is its speed (in m/s) after 9.00 x 10-9 s? m/s Need Help? Read It