Asked by carrie
Ann is driving down a street at 50 km/h. suddenly a child runs into the street. if it takes ann .75 seconds to react and apply the brakes. how many meters will ann have moved before she begins to slow down? If she slows down at a rate of 1.5m/s^2, how long will it take her to stop?
Answers
Answered by
bobpursley
change 50km/hr to m/s
50km/hr*1hr/3600sec*1000m/km
then distance=speed*time
time to stop:
vf=vi+at where a=-1.5m/s^2, vf=0, vi is above speed in m/s
50km/hr*1hr/3600sec*1000m/km
then distance=speed*time
time to stop:
vf=vi+at where a=-1.5m/s^2, vf=0, vi is above speed in m/s
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.