du dt = = 3.6 - 0.06u where u is the vehicle speed in ft/sec. The vehicle is traveling at 45 ft/sec at time To. (a) Determine the distance traveled by the vehicle when accelerated to a speed of 55 ft/sec. (b) Determine the time at which the vehicle attains a speed of 55 ft/sec. (c) Determine the acceleration of the vehicle after 3 sec.

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Intersection Design

An intersection is a location where two or more roads or railways meet or join. The traffic movement is controlled at the intersection that depends on its design and type. It governs the operation, efficiency, speed, capacity, and safety of the highways, airways, and railways. The movement of the pedestrian causes hazards and delays at the intersection.