The textbook presents a car-caravan analogy to explain the types of delay on the network. You may review the analogy in Section 1.4. The author presents this analogy in a lecture video here. You can solve interactive problems of this nature here. A figure showing a version of the caravan analogy is below: ten-car caravan X km toll booth 1 toll booth 2 Y km toll booth 3 [LP] Let's assume a propagation speed of 100 km/hr. If X is 40km and Y is 80km, what is the end-to-end delay for the caravan to reach toll booth 3? Note that each toll booth takes 8 sec to service each car and there are 12 cars in the caravan. [HP] Generalize the solution if the distance between toll booth 1 and 2 is X km, distance between toll booth 2 and 3 is Y km and there are C cars in the caravan.

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.