Concept explainers
(a)
The speed of an electron with kinetic energy
(a)
Answer to Problem 11P
The speed of the electron is
Explanation of Solution
Given info:
Kinetic energy is
Formula used:
The kinetic energy is given by
Here, m is the mass and v is the speed.
Calculation:
The charge on electron is
The mass of an electron is
Substituting the given values
Conclusion:
Thus, the speed of the electron is
(b)
The speed of an electron with kinetic energy
(b)
Answer to Problem 11P
The speed of the electron is
Explanation of Solution
Given info:
Kinetic energy is
Formula used:
The kinetic energy is given by,
Calculation:
The charge on electron is
The mass of an electron is
Substituting the given values
Conclusion:
Thus, the speed of the electron is
Chapter 17 Solutions
Physics: Principles with Applications
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