Driver

The car driver drives at a speed of 100 km/h, saw the obstacle, and began to brake with a slowing of 5 m/s². What is the length of the pathway to stopping the car when the driver has registered the obstacle with a delay of 0.7 s?

Correct answer:

s =  96.6049 m

Step-by-step explanation:

v=100 km/h m/s=100/3.6  m/s=27.77778 m/s a=5 m/s2 d=0.7 s  s0=v d=27.7778 0.7=175919.4444  t=v/a=27.7778/5=5095.5556 s  s1=12 a t2=12 5 5.55562=62508177.1605 m  s=s0+s1=19.4444+77.1605=782581 m=96.6049 m



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