The magnitude of velocity of an electron in the laboratory frame.
Answer to Problem 41PQ
The magnitude of velocity of the electron measured in the laboratory frame is
Explanation of Solution
Write the expression for the magnitude of velocity measured from the laboratory frame.
Here,
Write the expression for velocity components in each direction,
Here,
Write the expression for Lorentz constant,
Conclusion:
Substitute
Substitute
Substitute
Substitute
Substitute
Therefore, the magnitude of velocity of electron is
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