The reaction time for an automobile driver is 0.7 sec.If the automobile can be decelarated at 5 m/s^2 calculate the total distance travelled in coming to stop from an initial velocity of 8.33 m/s after a signal is observed?
1 Answer
Jun 20, 2018
The car will move 13.60 m
Explanation:
We have distance
Before the driver reacts, the car will have moved
The time for the car to stop can be found from
The average speed during this time is
Therefore, the car moves
Total distance moved before the car stops, therefore, is
(5.831+7.772) m = 13.603 m
Rounded to 2 decimals: 13.60 m