Two-point charges, q1 = -80 nC and q2 = +50 nC are separated by a distance of 5.0 cm as shown in the figure. Calculate the electric force that qi exerts on q2. q1 q2 r= 5.0 cm A 0.014 N -0.014 N C 0.020 N -0.020 N 17 18 19 20 21 22 23 24 25 26 Next

Two-point charges, q1 = -80 nC and q2 = +50 nC are separated by a distance of 5.0 cm as shown in the figure. Calculate the electric force that qi exerts on q2. q1 q2 r= 5.0 cm A 0.014 N -0.014 N C 0.020 N -0.020 N 17 18 19 20 21 22 23 24 25 26 Next

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...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Electrostatic Force, Electric Field, and Electric Flux
Two-point charges, q1 = -80 nC and q2 = +50 nC are separated by a distance of 5.0 cm as shown in the figure. Calculate the electric force that
q1 exerts on q2.
q1
q2
r= 5.0 cm
A
0.014 N
-0.014 N
C
0.020 N
-0.020 N
17 18 19 20
21 22 23 24 25 26
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Assume the charged objects in Figure OQ19.15 are fixed. Notice that there is no sight line from the location of q2 to the location of q1. If you were at q1, you would be unable to see q2 because it is behind q3. How would you calculate the electric force exerted on the object with charge q1? (a) Find only the force exerted by q2 on charge q1. (b) Find only the force exerted by q3 on charge q1. (c) Add the force that q2 would exert by itself on charge q1 to the force that q3 would exert by itself on charge q1. (d) Add the force that q3 would exert by itself to a certain fraction of the force that q2 would exert by itself. (e) There is no definite way to find the force on charge q1. Figure OQ19.15
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Assume the charged objects in Figure OQ23.10 are fixed. Notice that there is no sight line from the location of q2 to the location of q1. If you were at q1, you would be unable to see q2 because it is behind q3. How would you calculate the electric force exerted on the object with charge q1? (a) Find only the force exerted by q2 on charge q1. (b) Find only the force exerted by q3 an charge q1. (c) Add the force that q2 would exert by itself on charge q1 to the force that q3 would exert by itself on charge q1. (d) Add the force that q3 would exert by itself to a certain fraction of the force that q2 would exert by itself. (e) There is no definite way to find the force on charge q1.
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.
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