(a)
The value of
(a)
Answer to Problem 83PQ
The value of
Explanation of Solution
Write the expression for the amplitude of electric field.
Here,
Conclusion:
Substitute
Thus, the value of
(b)
The wave number of the wave.
(b)
Answer to Problem 83PQ
The wave number of the wave is
Explanation of Solution
Write the expression for the wave number of the wave.
Here,
Conclusion:
Substitute
Therefore, the wave number of the wave is
(c)
The angular frequency of the wave.
(c)
Answer to Problem 83PQ
The angular frequency of the wave is
Explanation of Solution
Write the expression for the angular frequency of the wave.
Here,
Conclusion:
Substitute
Thus, the angular frequency of the wave is
(d)
The plane in which electric field oscillates.
(d)
Answer to Problem 83PQ
The electric field oscillates in the
Explanation of Solution
Since, the electric field is directed in the
(e)
The average value of the Poynting vector.
(e)
Answer to Problem 83PQ
The average value of Poynting vector is
Explanation of Solution
Write the expression for the average value of Poynting vector.
Here,
Conclusion:
Substitute
Thus, the average value of Poynting vector is
(f)
The pressure exerted by the wave on a lightweight solar sail.
(f)
Answer to Problem 83PQ
The pressure exerted by the wave on the solar sail is
Explanation of Solution
Write the expression for the pressure exerted by the wave on lightweight solar sail.
Here,
Conclusion:
Substitute
Thus, the pressure exerted by the wave on the solar sail is
(g)
The acceleration of the solar sail.
(g)
Answer to Problem 83PQ
The acceleration of the solar sail is
Explanation of Solution
Write the expression for the acceleration of the solar sail.
Here,
Write the expression for the area of the sail.
Conclusion:
Substitute
Thus, the acceleration of the solar sail is
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Chapter 34 Solutions
Physics for Scientists and Engineers: Foundations and Connections
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