A charge of +0.4 C is moved from a position where the electric potential is 20 V to a position where the electric potential is 50 V. What is the change in potential energy of the charge associated with the change in position? The change in potential energy of the charge is       J

The potential energy of a -5 10-6 C charge decreases from 10.2 J to 5.2 J when it is moved from point A to point B. What is the change in electric potential between these two points'?

The two charges in the figure below are separated by d = 1.50 cm. (Let q1 = -17 nC and q2 = 25.5 nC.) A d (60.0° B d (a) Find the electric potential at point A. kV (b) Find the electric potential at point B, which is halfway between the charges. kV

A +4.24 μC charge is located at the origin. Determine the following. (Include the sign of the value in your answer.) (a) the electric potential at a distance of 2.28 m from the charge 16736.8 (b) the electric potential energy of a -2.25 μC charge located at (0, 2.28) m

A proton has a speed of 2.0 x 105 m/s at a point where the electrical potential is 1000 V. It moves through a point where the electric potential is 700 V. What is its speed at this second point? (e = 1.6 x 10-19 C, mproton = 1.67 x 10.27 kg) 1.6 x 105 m/s 7.8 x 105 m/s 07 1.3 x 105 m/s 2.6 x 105 m/s 3.1 x 105 m/s 2.8 x 105 m/s

Three electric charges are places as follows: Charge q1 = 1.4 nC has coordinates x1 = -4.3 m, y1=0 m. %3D Charge q2 = 1.6 nC has coordinates x2 = 3.4 m, y2 = 0 m. %3D Charge q3 =-7.1 nC has coordinates x3 = 0 m, y3 = y m What should the value of y be equal to in order for the electric potential at the origin to be zero? Consider only positive values of y.

A conducting sphere of radius 5.0 cm is given a net amount of charge of 3.0 x109 C. Note: 109 C = 1 nC (1 nanocoulomb). What is the potential at a distance of 0.55 m from the center of the sphere? Assume that the electric potential at a very large distance from the sphere equals zero. V = V

In the image provide these exists two parallel plates call A and B the length of both being 5 centimeters and both separated from each other with a distance of 4 centimeters. An electron enters 1 cm above plate B and it is traveling horizontally at speed of 1x10^6 m/s. VA = 20 V and VB = 10 V are the plate potentials, respectively. A) What is the electrical field (vector) between the plates? B) What is the electric potential V at the entry point of the electron and its initial potential energy? C) The electron eventually find the speed one of the plates, find out out witch one and the speed of the electron before the impact. D) What is the location along the place where the electron makes impact (take x =0 as the left edge of the plates). OFocus 81 F 0.

There are two charges along the x-axis. q1 = 2.1 nC at x1 = 9.6 m q2 = 8 nC at x2 = 1.6 m  What is the electric potential at the origin? Your answer should be in Volts. 1 nC = 10-9 C

A point charge with charge +55.6 nC is at coordinates x = 2.00 m and y = 0.00 m. What is the electric potential at the point (3.00 m, 3.00 m)? A point charge with charge -55.6 nC is at coordinates x = 0.00 m and y = 2.00 m. What is the electric potential at the point (3.00 m, 3.00 m)?