College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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for part 3 there can be more than one answer 

Two charges, Q, = +9.17 µC and Q2
+5.72 µC, are separated by a distance d = 0.988 m. Note u = micro = 10-6.
Q1
Q2
d
Figure 1. Two charges separated by a distance of d, Q1 on the left and Q2 on the right.
Part 1)
What is the magnitude of the electric force that Q2 exerts on Q1 ?
|F2 on 1|
N
Part 2)
A third charge with Q3 = +7.71 µC is placed halfway between the two charges. What is the net force on Q3?
F =
N to the right
Note: A negative answer indicates that the force is to the left; if the net force is to the left, enter a negative number.
Part 3)
Which of the following statements are true?
The electric field at the location of the charge Q3 in part 2) could be calculated by dividing the force by the charge on Q3.
A greater distance between electric field lines indicates a stronger electric field.
If an electron is released from rest in an electric field, it will move in the direction the electric field lines point.
Electric field lines are directed towards negative point charges.
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Transcribed Image Text:Two charges, Q, = +9.17 µC and Q2 +5.72 µC, are separated by a distance d = 0.988 m. Note u = micro = 10-6. Q1 Q2 d Figure 1. Two charges separated by a distance of d, Q1 on the left and Q2 on the right. Part 1) What is the magnitude of the electric force that Q2 exerts on Q1 ? |F2 on 1| N Part 2) A third charge with Q3 = +7.71 µC is placed halfway between the two charges. What is the net force on Q3? F = N to the right Note: A negative answer indicates that the force is to the left; if the net force is to the left, enter a negative number. Part 3) Which of the following statements are true? The electric field at the location of the charge Q3 in part 2) could be calculated by dividing the force by the charge on Q3. A greater distance between electric field lines indicates a stronger electric field. If an electron is released from rest in an electric field, it will move in the direction the electric field lines point. Electric field lines are directed towards negative point charges.
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