Use the results listed in Table 2.1 to fi nd (a) thenumber of signals Frank receives at the rate f andthe time at which Frank detects Marys turnaround,and (b) the number of signals Mary receives at therate f and her clock reading when she turns around.(c) From Franks perspective, fi nd the time for theremainder of the trip (after he detects Marys turnaround),the number of signals he receives at the ratef , the total number of signals he receives, and Marysage, based on that total number of signals. (d) FromMarys perspective, fi nd the time for the remainder ofthe trip (after her turnaround), the number of signalsshe receives at the rate f , the total number of signalsshe receives, and Franks age, based on that totalnumber of signals.

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