13. Two pointlike charges of Q, and Q2 are located at (0, 0.3m) and (0.15m, 0) as shown in the right figure. Q,=+1 µC, Q=-0.3 µC. (a) Find the total electric potential at the origin produced by the two pointlike charges (Q, and Q2) in the figure. (b) Find the electric potential energy on a charge of Qo=+2µC placed at the origin. ( 1_ 9×10°N-m² /C? Q, P(0.15m,0.3m) 0.3m 0.15m

13. Two pointlike charges of Q, and Q2 are located at (0, 0.3m) and (0.15m, 0) as shown in the right figure. Q,=+1 µC, Q=-0.3 µC. (a) Find the total electric potential at the origin produced by the two pointlike charges (Q, and Q2) in the figure. (b) Find the electric potential energy on a charge of Qo=+2µC placed at the origin. ( 1_ 9×10°N-m² /C? Q, P(0.15m,0.3m) 0.3m 0.15m

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)...

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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 30.0 cm, and the point (A) is located half way between 9₁ and 92. Find the electric potential at point (A). Let q₁ = -3.20 µC, 92 = +3.80 µC, and q3 = -3.70 µC. V 4 A 91.
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the figure shows a charge +q and other charge -q fixed at points a and b separated by a distance of 10.0 cm. if q =2nC calculate a. the electric potential at point p b. the electric potential at point Q c. the work done to bring a charge of 5nC from P to Q
A 42.0-nC charge is placed at the origin and a 74.0-nC charge is placed on the +x-axis, 2.20 cm from the origin. What is the electric potential at a point halfway between these two charges?
The drawing shows a square, each side of which has a length of L= 0.250 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -6.00 x 10°C placed at corner A and %3D then at corner B. 41 = +1.50 x 10c 92= +4.00 x 10 c
10. Three point-like charges are placed as shown in the figure, a = 18.0 cm and b = 52.0 cm. Find the electric potential at point (D). Let q1 = -1.60 µC, q2 = +4.20 µC, and q3 = +4.10 µc. oof19 0of19 oofl9 0of19 oof pof19 0of19 19.00f19 0of19.00f19.0of19.0of1 91 Di 92 oof19 oof19
2. Three charges are located at the corners of an equilateral triangle of 10-mm side. What is the value of the electric potential at midway between q2 and 93? Answer: qz =+ 10μC q₁ =+ 2μC q3 =- 5μC
5. 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 34.0 cm, and the point (C) is located half way between 9₁ and 93. Find the electric potential at point (C). Let q1 -2.40 μC, 92 = -2.90 μC, and 93: = +4.10 μC. 91 = O 92₂
12. The electric potential generated by a uniformly charged disk of total charge Q and radius R is given by 20 F(y) = (Vy² + R² – y), - where y is the distance from the disk and F(y) is the potential at distance y. We want to understand what happens when y is very large, so do this: a. Change variables from y to x = 1/y, so that when y is big, x is close to zero. Simplify! b. Find a Taylor polynomial centered at x = 0 for the potential in terms of x. c. Use this to justify the following claim: "at points far from the disk, the po- tential is approximately Q/y."
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