Concept explainers
(a)
The magnitude of the electric force.
(a)
Answer to Problem 28E
The magnitude of the electric force is
Explanation of Solution
Write the expression for the magnitude of the electric force.
Here,
Conclusion:
Substitute
Thus, the magnitude of the electric force is
(b)
The electric field between a proton and an electron.
(b)
Answer to Problem 28E
The electric field between a proton and an electron is
Explanation of Solution
Write the expression for the magnitude of the electric force.
Here,
Conclusion:
Substitute
Thus, the electric field between a proton and an electron is
(c)
The ratio of the forces.
(c)
Answer to Problem 28E
The ratio of the forces is
Explanation of Solution
Write the expression for the ratio between the two forces.
Here,
Conclusion:
Substitute
Thus, the ratio of the forces is
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Chapter 30 Solutions
General Physics, 2nd Edition
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