Two 1.60-cm-diameter disks spaced 1.80 mm apart form a parallel-plate capacitor. The electric field between the disks is 5.20×105 V/m . A)  What is the voltage across the capacitor? B)  An electron is launched from the negative plate. It strikes the positive plate at a speed of 2.10×107 m/s . What was the electron's speed as it left the negative plate?

A parallel-plate capacitor has a plate separation of 1.5 mm and is charged to 900 V. 1) If an electron leaves the negative plate, starting from rest, how fast is it going when it hits the positive plate? (Express your answer to two significant figures.) ×10¹ km/s

Two 2.2-cm-diameter-disks spaced 1.9 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.9×105 V/m. What is the voltage across the capacitor? How much charge is on each disk? An electron is launched from the negative plate. It strikes the positive plate at a speed of 2.3×107 m/s . What was the electron's speed as it left the negative plate?

A charged particle is moving to the right between 2 plates. The plate on the left has a voltage of -70V and the plate on the right has a voltage of -50V. The initial speed of the charge is 90,000 m/s. The particle slows down as it moves toward the right plate. The plates are separated by .002m. a) Is the particle a proton or electron? b) What is its speed just as it gets to the second plate?

An electron moving parallel to the x axis has an initial speed of 3.7 x 106 m/s at the origin. Its speed is reduced to 1.4 x 105 m/s at x = 2 cm. Calculate the electric potential difference 1. between the origin and x -= 2 cm. 2. A proton is released from rest in a uniform electric field whose magnitude is 5000 V/m. Through what potential difference will it have passed after moving 0.25 meters? How fast will it be going after it has travelled 0.25 meters?

The electric field between the plates of a paper-separated (K=3.75)(K=3.75) capacitor is 8.18×104 V/m . The plates are 1.95 mm apart, and the charge on each plate is 0.670 μC . Determine the capacitance of this capacitor and the area of each plate

Two 2.50 cm × 2.50 cm plates that form a parallel-plate capacitor are charged to ± 0.708 nC. What is the electric field strength inside the capacitor if the spacing between the plates is 1.00  mm ? What is potential difference across the capacitor if the spacing between the plates is 1.00 mm ? What is the electric field strength inside the capacitor if the spacing between the plates is 2.00 mm ? What is the potential difference across the capacitor if the spacing between the plates is 2.00 mm ?

A certain parallel-plate capacitor is filled with a dielectric for which K = 4.16. The area of each plate is 0.0461 m², and the plates are separated by 2.64 mm. The capacitor will fail (short out and burn up) if the electric field between the plates exceeds 219 kN/C. What is the maximum energy that can be stored in the capacitor? Number i 1.07E-3 Units J

The potential difference between two parallel plates is 598 V. An alpha particle with mass of 6.64×10-27 kg and charge of 3.20×10-19 C is released from rest near the positive plate.  a) What is the speed of the alpha particle when it reaches the other plate? The distance between the plates is 36.2 cm.

A Proton Gun. You and your team are designing a device that creates a beam of high-velocity protons. The device consists of a parallelplate capacitor in which protons start at rest at the positive plate. The protons accelerate toward the negative plate, which has a hole through which some of the protons pass. The plates are separated by 5.6cm, and the potential difference between the plates is 5.2kv. (a) What are the kinetic energies of the protons when they pass through the hole? (b) What are the speeds of the protons when they pass through the hole? (c) What is the acceleration of the protons between the plates? (a) Number Units