Cars are crossing a bridge that is 1 mile long. Each car
Chapter 3, Problem 70(choose chapter or problem)
Cars are crossing a bridge that is 1 mile long. Each car is 12 feet long and is required to stay a distance of at least d feet from the car in front of it (see figure). (a) Show that the largest number of cars that can be on the bridge at one time is , where denotes the greatest integer function. (b) If the velocity of each car is v , show that the maximum traffic flow rate F (in ) is given by . Exercise 70 12 ft d F 5280v 12 d
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