The corners of an equilateral triangle of side 4.0 cm are labeled a, b, and c. A positive charge of 3.0 µC is at point a and negative charge of -2.0 µC is at point b. a) What is the electrostatic potential energy of the two charges? b) What is the electric potential at point c? c) If the charges at a and at b are held fixed, calculate the work required to bring a charge of -3.0 µC from infinity to point c. r

The corners of an equilateral triangle of side 4.0 cm are labeled a, b, and c. A positive charge of 3.0 µC is at point a and negative charge of -2.0 µC is at point b. a) What is the electrostatic potential energy of the two charges? b) What is the electric potential at point c? c) If the charges at a and at b are held fixed, calculate the work required to bring a charge of -3.0 µC from infinity to point c. r

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Two point charges q, = 2.2 nC and q2 = -1.5 nC are 13 cm apart. Point A is midway between the charges and point B is 12 cm from q, and 5 cm from q2. Calculate: a. the electric potential at point A and at point B b. the work done by the electric field on a charge of q3 = +3.6 nC that moves from A to B %3D
Two positive charges q1 and q2 are aligned along the x axis and separated by distance d as shown in figure. q1 is located at the origin. The net electric field due to the particles is zero at x=d/4 . If q1= 2 µC then a- ) find the magnitude of the charge q2 b-) find the electrical potential at x=d/2 due to two charges q1 and q2 if d=2m .
Consider the figure shown below. Q1=1.5×10−9 C and Q2=−8.4×10−9 C. Charges Q1, Q2, and point '3' are all located at integer coordinates that you can read off of the graph. Assume the electric potential at infinity is zero. a) Calculate the electric potential at the location marked '3'.
In image a) below 12 electrons are placed on the sides of a circle of radius R at the same distance, while in image b) the twelve electrons are placed on the sides of a circle covering 120° A. Calculate the electric potential at point C (center of the circle) for images a) and b) B. Draw the electric field at point C for images a) and b)
question B
A newly discovered negatively charged oarticle with an unknown mass is held at rest 3.0(micrometer) from an electron A) What is the electric potential due to the electron at the location of the newly discovered particle? B) After it is released, the newly discovered particle is repelled from the electron. if the maximum speed the particle achieves is 16m/s, what is the mass of this particle? Assume the particle does not interact with any other objects and is travelling through a vacuum?
When a charged particle is released from rest, at any point between two parallel plates, as shown in the following figure: E It is correct to state that: a) If the particle is an electron it will move in the direction from A to B and its electric potential energy increases. b) If the particle is an electron it will move in the direction from B towards A and its electric potential energy does not change. c) If the particle is a proton it will move in the direction from B toward A and its electric potential energy increases. d) If the particle is a proton it will move in the direction from A to B and its electric potential energy decreases.
The U(r) plot shows the electric potential energy of two unknown charged particles X and Y. Which of the following correctly describes the charges X and Y? A. X and Y are both positive B. X and Y are both negative C. X and Y has opposite charges
Topic: Electric Potential and Potential Difference Problem: 1. A point charge of -6.0 nC is 3.0 m from pt A and 5.0 m from pt B. a) Find the potential at pt A and pt B. b) How much work is done by the electric field in moving a 2.0 nC particle from pt A to pt B? 1. Three charges are located at the corners of a rectangle as shown below. Find the potential at point P. Figure: ▪P Given: Solve for: 91 6.0 cm 91 = 1.0 µC 9:= -3.0 μC q = 4.0 μC V₁ = V₂ = V₂ = V total 8.0 cm 93 6
Q1 A conductive sphere of radius 40 cm is charged with a total surface charge of (-2 nC) and held at a fixed position.. a) Find the electric potential at a radial distance of 20 cm. b) Sketch a graph of the electric potential (V) versus radial distance (r). c) From the shown figure of the charged sphere, If a small ball of mass (0.05 kg) that has 60 cm Q=-2nC A B a charge of (+1 μC) starts its motion from rest at point A of radial distance (80 cm) to point B of radial distance (60 cm). While you can the effect of gravity, ignore calculate the velocity of the small ball at point B. q=+1µC VA=0 m/s m => 0.05kg 80 cm R = 40 cm
In Figure 3, a thin plastic rod of length L = 0.12 m is located along the x-axis and charged uniformly with a charge Q = 56.0 C. Find the electric potential ratio (Vp1/Vp2) for point P, on the x-axis and for point P2 on the y-axis knowing that the distances are d = 0.05 m and D = 0.15 m.
d = 5cm q=qa=qb=qc=qd=5 C All the charges are positively charged . The length of side of square is d . Find electric potential energy U of this system of charges