Starting from rest, and under the influence no external force, a particle with a positive charge q moves a total distance d in a uniform electric field, E. Suppose the field is varying according to E=(2/11)Ayĵ where y is the vertical coordinate. The charge q travels from point y1=0 to point y2, where the total traveled distance is d. Calculate an expression for the potential difference that the charge experiences only using the symbols θ, A, d, g, m, or y2.

A parallel-plate air capacitor with a capacitance of 248 pF has a charge of magnitude 0.151 µC on each plate. The plates have a separation of 0.337 mm. What is the area of each plate? Answer in square meters and use three significant digits.

An a particle (g = +2e) moves a distance of 3,700 cm from a to b in a linear accelerator. A uniform electric field with a magnitude of E= 1.95 × 10° V/m in the direction of the particle's motion is present in the accelerator. (a) Determine the force on the a particle. (b) How much work is done to it by the field? (c) Determine the potential difference Va - Vb.

Determine the potential difference, in V, in moving a charge from A(-4, -3, 1) m to B(-1, -1, -1) m against the electric field due to an infinite sheet charge of density 9 nC/m2 at x = 4 m.

Problem 2: A point mass of charge q > 0 moves at 35° to a uniform electric field E for a total distance d. Part (a) Select a diagram that follows from the problem description. Part (b) The charge q travels from point y, to point y2, where the total traveled distance is d. Find the potential difference that the charge traverses. When you enter your answer you can assume that y, = 0 V2 - V = cos(a) cos(o) cos(e) 7 8 9 HOME sin(a) sin(@) sin(e) 5 6 3 d E - END h Vol BACKSPACE DEL CLEAR

An electric dipole consisting of charges of magnitude 4.70 nC separated by 8.20 um is in an electric field of strength 1100 N/C. What are (a) the magnitude of the electric dipole moment and (b) the difference between the potential energies for dipole orientations parallel and antiparallel to E ? (a) Number i Units (b) Number i Units

Inside a particular radiation therapy device, there is a uniform electric field with a magnitude 385 N/C pointing in the positive x-direction. An electron, initially at rest, moves a distance of 3.60 cm in this field. (a) How much work (in J) does the electric field do on the electron? J (b) What is the change in potential energy (in J) of the entire system (radiation therapy device plus electron)? J (c) What is the velocity (in m/s) of the electron after it moves the 3.60 cm distance? m/s magnitude direction ---Select--- ✓

A capacitor with interlayer distance d and surface area A (LxL=A) has a charge Q and the capacitor is not connected to the source. In this case, when an insulating rod with pediment d and dielectric coefficient K is inserted x (x<L) from one end, what is the direction (inside or outside of the capacitor) and magnitude of the electrostatic force acting on the rod?

Oppositely charged parallel plates are separated by 5.58 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates? (b) What is the magnitude of the force on an electron between the plates? (c) How much work must be done on the electron to move it to the negative plate if it is initially positioned 2.96 mm from the positive plate?

A proton (mass 1.67 x 10-27 kg, charge = 1.60 x 10-19 C) moves from point A to point B under the influence of an electrostatic force only. At point A the proton moves with a speed of 50 km/s. At point B the speed of the proton is 90.8 km/s. Determine the potential difference Va -VA (in units of volts).