a motorcar is moving on a velocity of 72km/h suddenly brakes are applied so as to stop the car at a distance of 10 m.find the force exerted by the brakes on the car if the total mass of car and passenger is 500 kg
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Answer:
v=72km/hr= 72×5/18
=20m/s
Time taken to cover the distance of 5m is:
t= 20/5
=0.25sec
This time is called Reaction time.
Answered by
0
Explanation:
V=72km/hr=72×5/18
=20m/s
Time taken to cover the distance of
5m is :
t = 20/5
= 0.25 sec
this time is called Reaction time
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