Asked by Leila
A driver of a car going 90 km/h suddenly sees the lights of a barrier 40.0 m ahead. It takes the driver 0.75 s to apply the brakes, and the average acceleration during braking is -10 m/s2. (a) Compute for the total displacement of the car to determine whether the car hits the barrier. (b) At what maximum speed should the car be initially moving so as not to hit the barrier 40 m ahead? Assume that the reaction time and acceleration given above does not change.
Answers
Answered by
Tym
2.5
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