A parallel plate capacitor is formed from two circular plates, each of radius 1.20 cm, separated by 1.70 mm. The plates are charged to ±±8.70 nC.A proton is shot from the negative plate to the positive. What launch speed must the proton have to just barely reach the positive plate?

A proton enters the gap between a pair of metal plates (an electrostatic separator) that produces a uniform, vertical electric field between them. Ignore the effect of gravity on the proton. (a) Assuming that the length of the plates is 27.1 cm, and that the proton will approach the plates at a speed of 15.0 km/s, what electric field strength should the plates be designed to provide, if the proton must be deflected vertically by 1.20 ⋅ 10−3 rad?1.20 · 10−3 rad?   N/C (b) What speed does the proton have after exiting the electric field?  m/s (c) Suppose the proton is one in a beam of protons that has been contaminated with positively charged kaons, particles whose mass is 494 MeV/c2 (8.81 ⋅ 10–28 kg)494 MeV/c2 (8.81 · 10–28 kg) , compared to the mass of the proton, which is 938 MeV/c2 (1.67 ⋅ 10–27 kg)938 MeV/c2 (1.67 · 10–27 kg) . The kaons have +1e charge, just like the protons. If the electrostatic separator is designed to give the protons a deflection of 1.20 ⋅ 10−3 rad1.20 · 10−3 rad , what deflection will kaons with the same momentum as the protons experience? (You may enter your calculation using scientific notation.)  rad

In the figure above, an electron is released at an angle of 45 degrees from the parallel-plate capacitor's positive side. The distance between the plates is 2.50 cm and the electric field strength inside the capacitor is 3.50×104 N/C. If the electron avoids touching the negative plate, what is its maximum possible initial speed?

An electron is accelerated from rest between two parallel plates that are seperated by 2.20 cm. The potential difference between the two plates is 2.10×103 V. If the electron travels from the negative plate to the positive plate, what will be the speed of the electron as it exits through a small hole in the positive plate? 2.72×107 m/s 2.20×107 m/s 3.24×107 m/s 4.03×106 m/s

A parallel plate capacitor of capacitance C with plates at separation d, has charge Q. The electric field at a distance r from positive plate between the plates isChoose answer:

A proton is moving through a magnetic field of magnitude 4.40 × 10–3 T. The proton experiences only a magnetic force of 3.3 × 10–15 N. At a certain instant, it has a speed of 4.25 × 105 m s–1. Determine the angle (less than 90°) between the proton's velocity and the magnetic field.