What is the electric potential energy of two protons separated by 3.2 nm?   A) 0.45 eV B) 45 eV  C) 0.045 eV D) 450 eV E) 4.5 eV

An electron (q = -e) completes half of a circular orbit of radius r arounda nucleus with Q = +3e, as shown.a. By how much does the electric potential energy change as the electron moves from i to f?b. Is the electron’s speed at f greater than, less than, or equal to its speed at i?

if a proton is placed at electric potential of -100v it will move a. up, when the 0 V reference potential is infinity on the left side b. down, when the 0 V reference potential is at infinity on left side c. left when the 0v reference potential is at infinity on the left side d. right, when the 0v reference potential is at infinity on the left side

The distance, r, between the proton and electron in the hydrogen atom is about 1010 m. Determine the value of the kinetic energy of the electron. Provide your answer in electron-volts (eV).

The electric field between the plates of a capacitor has a strength of 200 N/C. The voltage on the left plate is positive 10 V and the voltage on the right plate is negative 10 V. What is the separation between the plates?

A room with 3.0m high ceilings has a metal plate on the floor with V = OV and a separate metal plate on the ceiling. A 1.0 g glass ball charged to +4.9 nC is shot straight up at 5.0 m/s. How high does the ball go if the ceiling voltage is (a) 3.0 x 1 0^6 and (b) -3.0 x 10^6? Solve with Conservation of Energy please!

In a Millikan oil-drop experiment, a uniform electric field of 6.66 x 105 N/C is maintained in the region between two plates separated by 1.31 cm. Find the potential difference between the plates. MI Number i Units

is linearly proportional to A capacitor with plates separated by distance d is charged to a potential difference AVc. All wires and batteries are disconnected, then the two plates are pulled apart (with insulated handles) to a new separation of distance 2d. is inversely proportional to does not depend on increases by a factor of 2. decreases by a factor of 2. does not change. The electric field strength E of a parallel plate capacitor the separation of its plates. That is, E

21) An electron is released from rest at the black dot shown in the figure. Afterward, the electron will do which of the following? A. Remains at rest at the dot +50 V B. Moves downward with constant speed C. Moves downward with increasing speed OV D. Moves upward with constant speed -50 V E. Moves upward with increasing speed 22) A 20 μF capacitor is connected to a battery and allowed to fully charge. This results in 320 µC of charge on each plate. How much electric potential energy is stored in this capacitor? A. 1.10 mJ B. 2.56 mJ C. 6.33 mJ D. 8.82 mJ E. 10.2 mJ 23) How much electric potential energy does a 9 V battery provide to 0.30 C of charge as it moves from the negative to the positive terminal? A. 30 J B. 24.3 J C. 2.7 J D. 0.81 J E. 0.033 J 17575 the 1604 24) For three resistors connected in series, what physical quantity (or quantities) must be the same for all three resistors? A. Current B. Potential difference C. Resistance D. A and C E. B and C A. it points out of the…

How close would two stationary electrons have to be positioned so that their total mass is 3 times what it is when the electrons are very far apart? Number i Units