(a)
The number of signals received by Frank at rate
(a)
Answer to Problem 89P
Frank receives half the number of signals sent by Mary and the time at which Frank detects is
Explanation of Solution
The number of signals received by Frank at the rate
Write the expression for detected time.
Here,
Substitute
Substitute
Conclusion:
Thus, Frank receives half the number of signals sent by Mary and the time at which Frank detects is
(b)
The number of signals received by Mary at rate
(b)
Answer to Problem 89P
The number of signals received by Mary at rate
Explanation of Solution
Write the expression for number of signals received by Mary.
Here,
Substitute
The turnaround time is half of the total time is equal to
Conclusion:
Thus, the number of signals received by Mary at rate
(c)
The time for the remainder of trip, number of signal received at rate
(c)
Answer to Problem 89P
The time for the remainder of trip is
Explanation of Solution
Write the expression for remainder time of trip.
Here,
Substitute
Write the expression for number of signals received.
Write the expression for total number of signals.
Here, N is the total number of signals.
Write the expression for Mary’s age.
Here, A is the Mary’s age.
Conclusion:
Thus, the time for the remainder of trip is
(d)
The time for the remainder of trip, number of signal received at rate
(d)
Answer to Problem 89P
The time for the remainder of trip is
Explanation of Solution
Write the expression for remainder time of trip.
Here,
Substitute
Write the expression for number of signals received.
Write the expression for total number of signals.
Here, N is the total number of signals.
Write the expression for Frank’s age.
Here, A is the Frank’s age.
Conclusion:
Thus, time for the remainder of trip is
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Chapter 2 Solutions
Modern Physics for Scientists and Engineers