Consider the following kinematic equations:
The stopping distance after pressing the brakes is found from the fourth kinematic equation.
vf = 0 since the car is stopping.
0 = v02 + 2aΔx
A driver has a reaction time of 0.50 s, and the maximum deceleration of her car is 6.0 m/s2. She is driving at 20 m/s when suddenly she sees an obstacle in the road 50 m in front of her.
What is the distance she passes after noticing the obstacle before fully stopping?
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