The driver of a car travelling at 72 kmh' applies the brakes and accelerates uniformly in the opposite direction at the rate of 5ms ? How long the car will take to come to rest? How far will the car cover before coming to rest. (45; 40m)
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Answered by
2
Answer:
=72km/hr=
18
72×5
=20m/s
Time taken to cover the distance of 5m is:
t=
20
5
=0.25sec
This time is called Reaction time.
Answered by
8
Answer:
The driver of a car travelling at 72 kmh' applies the brakes and accelerates uniformly in the opposite direction at the rate of 5ms ? How long the car will take to come to rest? How far will the car cover before coming to rest. (45; 40m)
sorry for that I can't fo.llow you
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