A car goes on a highway at 108 km / h. At one point, the driver observes an obstacle in the middle of the road. If the obstacle is 200m away and the driver takes 2 s to brake from the moment he perceives the obstacle. Determine the uniform deceleration the car must have to stop 5 m before the obstacle.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A car goes on a highway at 108 km / h. At one point, the driver observes an obstacle in the middle of the road. If the obstacle is 200m away and the driver takes 2 s to brake from the moment he perceives the obstacle.

Determine the uniform deceleration the car must have to stop 5 m before the obstacle.

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