7. Three point-like charges are placed at the corners of an equilateral triangle as shown in the figure. Each side of thetriangle has a length of 42.0 cm, and the point (A) is located half way between 9₁ and 92. Find the electric potential atpoint (A). Let q1-1.20 µC, 92-3.50 µC, and 93+4.30 μC.=Vssf60 svof60 ssf60 ssf60 ssf60 ssf60 sF91921958 1958 1958 19.ss0 s 160 ssf60 ssf60 ssf60 ssf60 ssf60ƒ60 ssf60 ssf60 ssf60 ssf60 ssf60 ssf60 ssf6ðę0 ssf60s·ssf60 ssf60 sc 60 ssf60 ss. ss150 ssf60 ssf "f60 ssf60 ssf60 ssf60 ssf6

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7. Three point-like charges are placed at the corners of an equilateral triangle as shown in the figure. Each side of the triangle has a length of 42.0 cm, and the point (A) is located half way between 9₁ and 92. Find the electric potential at point (A). Let q₁ = -1.20 μC, q2 = -3.50 μC, and q3 = +4.30 μC. V A 91 92 f60 ssf60 ssf60 ssf60 ssf60 ss ssf50 ssf60 ssfó 60 ssf ssf60 ssf60 ssf60 f60 ssf60 ssf60 ssf60 ssf60 ssf60 ssf 160 ssf60 ssf60 ssf60 ssf60 ssf60 sf60 ) ssf60 ssf60 ssf60 ssfá

7. Three point-like charges are placed at the corners of an equilateral triangle as shown in the figure. Each side of the triangle has a length of 42.0 cm, and the point (A) is located half way between 9₁ and 92. Find the electric potential at point (A). Let q₁ = -1.20 μC, q2 = -3.50 μC, and q3 = +4.30 μC. V A 91 92 f60 ssf60 ssf60 ssf60 ssf60 ss ssf50 ssf60 ssfó 60 ssf ssf60 ssf60 ssf60 f60 ssf60 ssf60 ssf60 ssf60 ssf60 ssf 160 ssf60 ssf60 ssf60 ssf60 ssf60 sf60 ) ssf60 ssf60 ssf60 ssfá

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter26: Electric Potential

Section: Chapter Questions

Problem 68PQ: Figure P26.68 shows three small spheres with identical charges of 3.00 nC placed at the vertices of...

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Similar questions

A 5.00-nC charged particle is at point B in a uniform electric field with a magnitude of 625 N/C (Fig. P26.65). What is the change in electric potential experienced by the charge if it is moved from B to A along a. path 1 and b. path 2?
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 P26.44 shows a rod of length = 1.00 m aligned with the y axis and oriented so that its lower end is at the origin. The charge density on the rod is given by = a + by, with a = 2.00 C/m2 and b = 1.00 C /m2. What is the electric potential at point P with coordinates (0, 25.0 cm)? A table of integrals will aid you in solving this problem.
(a) Find the electric potential, taking zero at infinity, at the upper right corner (the corner without a charge) of the rectangle in Figure P16.13. (b) Repeat if the 2.00-C charge is replaced with a charge of 2.00 C. Figure P16.13 Problems 13 and 14.
Figure P26.80 shows a wire with uniform charge per unit length = 2.25 nC/m comprised of two straight sections of length d = 75.0 cm and a semicircle with radius r = 25.0 cm. What is the electric potential at point P, the center of the semicircular portion of the wire? FIGURE P26.80
A filament running along the x axis from the origin to x = 80.0 cm carries electric charge with uniform density. At the point P with coordinates (x = 80.0 cm, y = 80.0 cm), this filament creates electric potential 100 V. Now we add another filament along the y axis, running from the origin to y = 80.0 cm. carrying the same amount of charge with the same uniform density. At the same point P, is the electric potential created by the pair of filaments (a) greater than 200 V, (b) 200 V, (c) 100 V, (d) between 0 and 200 V, or (e) 0?
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 source consists of three charged particles located at the vertices of a square (Fig. P26.32), where the square has sides of length 0.243 m. The charges are q1 = 35.0 nC, q2 = 65.0 nC, and q3 = 56.5 nC. Find the electric potential at point A located at the fourth vertex. FIGURE P26.32 Problems 32 and 33.
Figure P26.71 shows three charged particles arranged at the vertices of an isosceles triangle with base b = 1.00 m. What is the electric potential due to the particles at point P, which is at the midpoint of the base? FIGURE P26.71
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.
(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.
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.