Solve both parts Part AA point charge q₁ = 4.10 nC is placed at the origin, and a second point charge92 = -2.90 nC is placed on the x-axis at = +21.0 cm. A third point charge93 = 1.95 nC is to be placed on the z-axis between q₁ and q2. (Take as zero the potentialenergy of the three charges when they are infinitely far apart.)What is the potential energy of the system of the three charges if q3 is placed at z = +11.0 cm?Express your answer in joules.U = -3.64×10-7 JSubmitPrevious Answers▾ Part BCorrectCorrect answer is shown. Your answer -3.6439-10-7-3.6439×10-7 J was either rounded differently or useWhere should q3 be placed between 1 and 42 to make the potential energy of the system equal to zero?Express your answer in centimeters.ΜΕ ΑΣΦ?=SubmitRequest Answercm

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A point charge q₁ = 4.10 nC is placed at the origin, and a second point charge 92=-2.90 nC is placed on the z-axis at z +21.0 cm. A third point charge 93=1.95 nC is to be placed on the z-axis between g₁ and q2. (Take as zero the potential energy of the three charges when they are infinitely far apart.) ▾ Part A What is the potential energy of the system of the three charges if q3 is placed at = +11.0 cm? Express your answer in joules. U = -3.64×10-7 J Submit Previous Answers Part B Correct Correct answer is shown. Your answer -3.6439-107 -3.6439×10-7 J was either rounded differently or us Where should q3 be placed between 1 and 2 to make the potential energy of the system equal to zero? Express your answer in centimeters. 1 ΑΣΦ ?

A point charge q₁ = 4.10 nC is placed at the origin, and a second point charge 92=-2.90 nC is placed on the z-axis at z +21.0 cm. A third point charge 93=1.95 nC is to be placed on the z-axis between g₁ and q2. (Take as zero the potential energy of the three charges when they are infinitely far apart.) ▾ Part A What is the potential energy of the system of the three charges if q3 is placed at = +11.0 cm? Express your answer in joules. U = -3.64×10-7 J Submit Previous Answers Part B Correct Correct answer is shown. Your answer -3.6439-107 -3.6439×10-7 J was either rounded differently or us Where should q3 be placed between 1 and 2 to make the potential energy of the system equal to zero? Express your answer in centimeters. 1 ΑΣΦ ?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 8OQ: In a certain region of space, a uniform electric field is in the x direction. A particle with...

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Four charged particles are at rest at the corners of a square (Fig. P26.14). The net charges are q1 = q2 = 2.65 C and q3 = q4 = 5.15 C. The distance between particle 1 and particle 3 is r13 = 1.75 cm. a. What is the electric potential energy of the four-particle system? b. If the particles are released from rest, what will happen to the system? In particular, what will happen to the systems kinetic energy as their separations become infinite? FIGURE P26.14 Problems 14, 15, and 16.
An electron moving parallel to the x axis has an initial speed of 3.70 106 m/s at the origin. Its speed is reduced to 1.40 105 m/s at the point x = 2.00 cm. (a) Calculate the electric potential difference between the origin and that point. (b) Which point is at the higher potential?
(a) Find the electric potential difference Ve required to stop an electron (called a stopping potential) moving with an initial speed of 2.85 107 m/s. (b) Would a proton traveling at the same speed require a greater or lesser magnitude of electric potential difference? Explain. (c) Find a symbolic expression for the ratio of the proton stopping potential and the electron stopping potential. Vp/Ve.
At a certain distance from a charged particle, the magnitude of the electric field is 500 V/m and the electric potential is 3.00 kV. (a) What is the distance to the particle? (b) What is the magnitude of the charge?
FIGURE P26.14 Problems 14, 15, and 16. Four charged particles are at rest at the corners of a square (Fig. P26.14). The net charges are q1 = q2 = 2.65 C and q3 = q4 = 5.15 C. The distance between particle 1 and particle 3 is r13 = 1.75 cm. a. What is the electric potential energy of the four-particle system? b. If the particles are released from rest, what will happen to the system? In particular, what will happen to the systems kinetic energy as their separations become infinite?
Two charged particles with q1 = 5.00 C and q2 = 3.00 C are placed at two vertices of an equilateral tetrahedron whose edges all have length s = 4.20 m (Fig. P26.37). Determine what charge q3 should be placed at the third vertex so that the total electric potential at the fourth vertex is 2.00 kV. FIGURE P26.37
A charged particle is moved in a uniform electric field between two points, A and B, as depicted in Figure P26.65. Does the change in the electric potential or the change in the electric potential energy of the particle depend on the sign of the charged particle? Consider the movement of the particle from A to B, and vice versa, and determine the signs of the electric potential and the electric potential energy in each possible scenario.
Figure P26.35 shows four particles with identical charges of +5.75 C arrayed at the vertices of a rectangle of width 25.0 cm and height 55.0 cm. What is the change in the electric potential energy of this system if particles A, B, and C are held in place and particle D is brought from infinity to the position shown in the figure? FIGURE P26.35
(a) Calculate the electric potential 0.250 cm from ail electron, (b) What is the electric potential difference between two points that are 0.250 cm and 0.750 cm from an electron? (c) How would the answers change if the electron were replaced with a proton?
Two point charges, q1 = 2.0 C and q2 = 2.0 C, are placed on the x axis at x = 1.0 m and x = 1.0 m, respectively (Fig. P26.24). a. What are the electric potentials at the points P (0, 1.0 m) and R (2.0 m, 0)? b. Find the work done in moving a 1.0-C charge from P to R along a straight line joining the two points. c. Is there any path along which the work done in moving the charge from P to R is less than the value from part (b)? Explain.
At a certain distance from a charged particle, the magnitude of the electric field is 500 V/m and the electric potential is 3.00 kV. (a) What is the distance to the particle? (b) What is the magnitude of the charge?
For the arrangement described in Problem 26, calculate the electric potential at point B, which lies on the perpendicular bisector of the rod a distance b above the x axis. Figure P20.26