The driver of an automobile travelling with a velocity of 90 km/h overtakes a bus travelling with a velocity of 70 km/h on an ungraded highway section. As the driver finishes the overtake manouevre, recognizes an obstacle and pushes down the brake pedal, only to be able to stop at a distance of 1 m to the obstacle. a) What is the distance between the automobile and the obstacle in the beginning of the overtake manouevre ? b) Determine whether the bus crashes with the automobile from behind after the automobile stops suddently after the overtake manouevre or not. Given: di=7+0,2.Vi; pavement sliding friction coefficient, f=0,40; for both drivers tr=2 sn.
The driver of an automobile travelling with a velocity of 90 km/h overtakes a bus travelling with a velocity of 70 km/h on an ungraded highway section. As the driver finishes the overtake manouevre, recognizes an obstacle and pushes down the brake pedal, only to be able to stop at a distance of 1 m to the obstacle. a) What is the distance between the automobile and the obstacle in the beginning of the overtake manouevre ? b) Determine whether the bus crashes with the automobile from behind after the automobile stops suddently after the overtake manouevre or not. Given: di=7+0,2.Vi; pavement sliding friction coefficient, f=0,40; for both drivers tr=2 sn.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The driver of an automobile travelling with a velocity of 90 km/h overtakes a bus travelling with a velocity of 70 km/h on an ungraded highway section. As the driver finishes the overtake manouevre, recognizes an obstacle and pushes down the brake pedal, only to be able to stop at a distance of 1 m to the obstacle.
a) What is the distance between the automobile and the obstacle in the beginning of the overtake manouevre ?
b) Determine whether the bus crashes with the automobile from behind after the automobile stops suddently after the overtake manouevre or not.
Given: di=7+0,2.Vi; pavement sliding friction coefficient, f=0,40; for both drivers tr=2 sn.
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