A parallel-plate capacitor consists of two plates, each with an area of 21 cm2 separated by 3.0 mm. The charge on the capacitor is 5.3 nC . A proton is released from rest next to the positive plate. How long does it take for the proton to reach the negative plate? Express your answer with the appropriate units.
A parallel-plate capacitor consists of two plates, each with an area of 21 cm2 separated by...