A car of mass 1.2 tonnes is traveling along a straight horizontal Road at a speed of 20 m/s when it breaks sharply then skids. Friction brings the car to rest. If the coefficient of friction between the tyres and road is 0.8, calculate the deceleration and the distance travelled by the car before ut comes to rest.

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A: The free body diagram of the car is shown below.

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Q: (90 + a) km/h 20 Mg 25 Mg A В Figure Q1 (a)

A: Given  Speed = 97 KM/h  Mass of car A = 25000 kg  Mass of car B  = 20000 kg  Braking force = 30 KN…

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Q: As shown in the figure below, a motorist starts from rest at point A on a circular entrance ramp…

A:

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.