Part A Two 1 9-cm-diameter disks spaced 1.5 mm apart form a parallel-plate capacitor. The electric field between the disks is 5.2 x 105 V/m. What is the voltage across the capacitor? For help with math skills, you may want to review: Express your answer with the appropriate units. Area Calculations for a Circle > View Available Hint(s) Mathematical Expressions Involving Squares HA VE Value Units Submit Part B An electron is launched from the negative plate. It strikes the positive plate at a speed of 2.0 x 107 m/s. What was the electron's speed as it left the negative plate? Express your answer with the appropriate units. >View Available Hint(s) ? Value Units Submit Provide Feedback