Concept explainers
(a)
The magnitude of the electric force exerted on the charge at
(a)
Answer to Problem 72AP
The magnitude of the electric force exerted on the charge at
Explanation of Solution
Write the expression for the total electric field.
Here,
Write the expression for the electric field.
Here,
Rewrite the equation (II) for resolving the forces along
Here,
Rewrite the equation (II) for resolving the forces along
Write the expression for the electric force.
Conclusion:
The following diagram shows the distance of the charges from
Figure-(1)
From the figure-(1) calculate the distance of
Consider the triangle
Consider the triangle
Substitute
Calculate further.
Substitute
Calculate further.
Substitute
Substitute
Calculate the magnitude of the electric force.
Therefore, the magnitude of the electric force exerted on the charge is
(b)
The direction of the electric force exerted on the charge at
(b)
Answer to Problem 72AP
The direction of the electric force exerted on the charge at
Explanation of Solution
Write the expression for the direction of the electric force.
Here,
Conclusion:
Substitute
Therefore, the direction of the electric force exerted on the charge is
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Chapter 23 Solutions
Bundle: Physics for Scientists and Engineers with Modern Physics, Loose-leaf Version, 9th + WebAssign Printed Access Card, Multi-Term
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- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning