An electron is fired through a small hole in the positive plate of a parallel-plate capacitor at a speed of 1.0 x 107 m/s. The capacitor plates, which are in a vacuum chamber, are 2.2-cm-diameter disks spaced 3.0 mm apart. The electron travels 1.5 mm before being turned back. v PartA What is the capacitor's charge? Express your answer with the appropriate units. m Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining