Physics Physics Practice Problems Solutions Library

# Electric Potential Energy Solutions Library

Access 30 Electric Potential Energy video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Electric Potential Energy learn videos.

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30 solutions

Electric Potential Energy

#### Q. Two particles, with charges of q1 = 50.0 nC and q2 = -50.0 nC, are placed at the points with coordinates (0, 12.00 cm) and (0, -12.00 cm) as shown ...

Solved • Apr 6, 2021

Electric Potential Energy

#### Q. A 9.0 V battery supplies a 2.5 mA current to a circuit for 5.0 h. a. How much charge has been transferred from the negative to the positive termina...

Solved • Mar 30, 2021

Electric Potential Energy

#### Q. A sphere of radius R contains charge Q spread uniformly throughout its volume. Find an expression for the electrostatic energy contained within the...

Solved • Jan 27, 2021

Electric Potential Energy

#### Q. The potential due to a point charge Q at the origin may be written as Part A. Calculate Ex using equation Ex=−∂V/∂x.Express your answer in terms of...

Solved • Jan 17, 2021

Electric Potential Energy

#### Q. A point charge q1 = +2.40 μC is held stationary at the origin. A second point charge q2 = -4.30 μC moves from the point X = 0.125 m, y = 0, to the ...

Solved • Dec 17, 2020

Electric Potential Energy

#### Q. What is the electric potential energy of the group of charges in (Figure 1) ? Assume that q = -5.5 nC.

Solved • Dec 1, 2020

Electric Potential Energy

#### Q. It takes 4.0 μJ of work to move a 19 nC charge from point A to B. It takes -6.5 μJ of work to move the charge from C to B. Part A. What is the pote...

Solved • Sep 22, 2020

Electric Potential Energy

#### Q. A proton follows the path shown in (Figure 1) . Its initial speed is v0 = 2.9×106 m/s. What is the proton's speed as it passes through point P? Exp...

Solved • Jul 14, 2020

Electric Potential Energy

#### Q. Two 2.0-mm diameter beads, C and D, are 12 mm apart, measured between their centers. Bead C has mass 1.0 g and charge 2.5 nC. Bead D has mass 1.7 g...

Solved • Jul 13, 2020

Electric Potential Energy

#### Q. A point charge with a charge q1 = 3.10 μC is held stationary at the origin. A second point charge with a charge q2 = -4.10 μC moves from the point ...

Solved • May 26, 2020

Electric Potential Energy

#### Q. A proton's speed as it passes point A is 50000 m/s . It follows the trajectory shown in the figure.(Figure 1)What is the proton's speed at point B?

Solved • May 26, 2020

Electric Potential Energy

#### Q. The figure(Figure 1) is the potential-energy diagram for a 20 g particle that is released from rest at x=1.0m.1. Will the particle move to the righ...

Solved • May 26, 2020

Electric Potential Energy

#### Q. A proton has an initial speed of 3.9 × 105 m/s.What potential difference is required to reduce the initial kinetic energy of the proton by a factor...

Solved • May 21, 2020

Electric Potential Energy

#### Q. A proton has an initial speed of 3.9 × 105 m/s.What potential difference is required to reduce the initial speed of the proton by a factor of 3?___...

Solved • May 21, 2020

Electric Potential Energy

#### Q. Four point charges form a square with sides of length d, as shown in the figure. In the questions that follow, use the constant k in place of 1/(4π...

Solved • May 21, 2020

Electric Potential Energy

#### Q. Which statements about potential energy are correct? Select all that apply.a) The potential energy of a pair of interacting charged objects increas...

Solved • May 21, 2020

Electric Potential Energy

#### Q. The graph in the figure shows the electric potential energy as a function of separation for two point charges.If one charge is +0.44 nC, what is th...

Solved • May 13, 2020

Electric Potential Energy

#### Q. Four point charges form a square with sides of length d, as shown in the figure. In the questions that follow, use the constant k in place of .What...

Solved • May 6, 2020

Electric Potential Energy

#### Q. A 2.6 mm -diameter sphere is charged to -4.6 nC . An electron fired directly at the sphere from far away with an initial velocity of  9.34 × 107 m/...

Solved • Apr 30, 2020

Electric Potential Energy

#### Q. Four point charges form a square with sides of length d, as shown in the figure. In the questions that follow, use the constant k in place of .What...

Solved • Apr 30, 2020

Electric Potential Energy

#### Q. A 2.6 mm -diameter sphere is charged to -4.6 nC . An electron fired directly at the sphere from far away comes to within 0.37 mm of the surface of ...

Solved • Apr 27, 2020

Electric Potential Energy

#### Q. What is the electric potential energy of the group of charges in the figure?

Solved • Apr 27, 2020

Electric Potential Energy

#### Q. Two protons are released from rest when they are 0.750 nm apart.a) What is the maximum speed they will reach?

Solved • Apr 22, 2020

Electric Potential Energy

#### Q. An alpha particle (α), which is the same as a helium-4 nucleus, is momentarily at rest in a region of space occupied by an electric field. The part...

Solved • Apr 8, 2020

Electric Potential Energy

#### Q. A 2.5 mm -diameter sphere is charged to -4.6 nC . An electron fired directly at the sphere from far away comes to within 0.35 mm of the surface of ...

Solved • Mar 25, 2020

Electric Potential Energy

#### Q. If a negative charge (-Q) is placed at point P in the above diagram, which situation minimizes the electric potential energy?A) Situation AB) Situa...

Solved • Apr 27, 2017

Electric Potential Energy

#### Q. Three equal point charges, each with charge 1.35 μC, are placed at the vertices of an equilateral triangle whose sides are of length 0.250 m. What ...

Solved • Feb 21, 2017

Electric Potential Energy

#### Q. A system of charges are shown in the figure. What is the electric potential energy of the following system of charges? 1. U = kQ2 / ℓ 2. U = 0 3...

Solved • Jan 4, 2017

Electric Potential Energy

#### Q. Three point charges shown below are located at the vertices of an equilateral triangle. If the electric potential energy of two point charges is de...

Solved • Dec 27, 2016

Electric Potential Energy

#### Q. A point charge q1 = 4.00 nC is placed at the origin. A second point charge q 2 = -3.00 nC is placed on the x-axis at x = 20.0 cm. A third point cha...

Solved • Dec 27, 2016