21.9 Two small plastic spheres are given positive electric charges. When they are 15.0 cm apart, the repulsive force between them has magnitude 0.220 N. What is the charge on each sphere (a) if the two charges are equal and (b) if one sphere has four times the charge of the other?

21.9 Two small plastic spheres are given positive electric charges. When they are 15.0 cm apart, the repulsive force between them has magnitude 0.220 N. What is the charge on each sphere (a) if the two charges are equal and (b) if one sphere has four times the charge of the other?

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

Chapter19: Electric Forces And Electric Fields

Section: Chapter Questions

Problem 9P: Three charged particles are located at the corners of an equilateral triangle as shown in Figure...

See similar textbooks

Similar questions

Three charged particles are located at the corners of an equilateral triangle as shown in Figure P19.9. Calculate the total electric force on the 7.00-C charge.
Two particles with charges q1 and q2 are separated by a distance d, and each exerts an electric force on the other with magnitude FE. a. In terms of these quantities, what separation distance would cause the magnitude of the electric force to be halved? b. In terms of these quantities, what separation distance would cause the magnitude of the electric force to be doubled?
Panicle A of charge 3.00 104 C is at the origin, particle B of charge 6.00 104 C is at (4.00 m, 0), and panicle C of charge 1.00 104 C is at (0, 3.00 m). (a) What is the x-component of the electric force exerted by A on C? (b) What is the y-component of the force exerted by A on C? (c) Find the magnitude of the force exerted by B on C. (d) Calculate the x-component of the force exerted by B on C. (e) Calculate the y-component of the force exerted by B on C. (f) Sum the two x-components to obtain the resultant x-component of the electric force acting on C. (g) Repeat part (f) for the y-component. (h) Find the magnitude and direction of the resultant electric force acting on C.
Particle A of charge 3.00 104 C is at the origin, particle B of charge 6.00 101 C is at (4.00 m, 0), and particle C of charge 1.00 104 C is at (0, 3.00 in). We wish to find the net electric force on C. (a) What is the x component of the electric force exerted by A on C? (b) What is the y component of the force exerted by A on C? (c) Kind the magnitude of the force exerted by B on C. (d) Calculate the x component of the force exerted by B on C. (e) Calculate the y component of the force exerted by B on C. (f) Sum the two x components from parts (a) and (d) to obtain the resultant x component of the electric force acting on C. (g) Similarly, find the y component of the resultant force vector acting on C. (h) Kind the magnitude and direction of the resultant electric force acting on C.
Four equally charged particles with charge q are placed at the comers of a square with side length L, as shown in Figure P23.51. A fifth charged particle with charge Q is placed at the center of the square so that the entire system of charges is in static equilibrium. What are the magnitude and sign of the charge Q? Figure P23.51
A charged rod is placed in the center along the axis of a neutral metal cylinder (Fig. F25.57). The rod has a total charge of 38.3 C uniformly distributed. What are the charges on the inner and outer surfaces of the metal cylinder? (Ignore the ends.) FIGURE P25.57 Problems 57 and 58.
i li. N 11:01 question 13.pdf > Three charges are located on the corners of a right-angle triangle as in the figure. If a = 3.0 mm, b = 4.0 mm, Q = 35 nC in the figure, what is the magnitude of the total electric force acting on the charge Q located at 4.0 mm from the origin on the x-axis? 2Q 3Q b= 4.0 mm Q Select one: O A. 7.35 N OB. 2.82 N OC. 5.52 N OD. 1.23 N AT 4 1440 H 4/8/2019 Itt- I a3 3.0 mm
Three charges are located on the corners of a right-angle triangle as in the figure. If a = 3,0 mm, b= 4.0 mm, Q-44 nCin the figure, what is the magnitude of the total electric force acting on the charge Q located at 4.0 mm from the origin on the x-axis? 2Q 3Q b= 4.0 mm Select one: OA 1.94 N OB. 11.62 N OC. 446 N Activate Widosat OD. 8.72 N a= 3.0 mm
y cm B x cm с A The charge on A is -2.80 nC, the charge on B is +8.00 nC and the charge on C is +2.80 nC. The x distance is 6.80 cm and the y distance is 1.20 cm. What is the magnitude (in N) of the electric force on A? Submit Answer Tries 0/10 What is the angle (deg) of the electric force? Take the point A as the origin and measure the angle clockwise from the x-axis (AB). Note that LON CAPA uses deg as the unit for degrees. Submit Answer Tries 0/10
Two small plastic spheres are given positive electric charges. When they are 15.0 cm apart, the repulsive force between them has magnitude 0.220 N. What is the charge on eachsphere (a) if the two charges are equal and (b) if one sphere has four times the charge of the other?
Static charges common with humans range from nano- to micro-coulombs. How many excess electrons are needed to create a net charge of -500 nC? If a human has an excess of 1.25 x 1012 electrons, what is his/her net charge in microcoulombs?
Problem 1 = Two source charges (5.0 nC and -3.0 nC) are located on the y-axis respectively at y -0.10 m, as shown below. A test charge q is located on the x-axis at x = 0.30 m. charge is repelled by the 5.0-nC source charge and attracted to the -3.0-nC source charge. (a) (b) (c) 5.00 nC y -3.00 nC 0.300 m 0.100 m X 0 and y - The test First, indicate whether the test charge is positive or negative. Then, letting || = 9.0 nC, find the magnitude and direction of the net electric force on the test charge. (Specify the direction as an angle measured counterclockwise from the +x axis.) Now suppose the test charge q is removed, and only the two source charges remain. Consider three regions along the y-axis: (i) above 5.0 nC, (ii) between 5.0 nC and -3.0 nC, and (iii) below -3.0 nC. In which region(s), other than infinity, is it possible for the net electric potential to be zero? Justify your answer(s) qualitatively, but do not perform any calculations. The net electric field produced by the…