consider a car moving on a straight road with a speed of 100m/s. the distance at which the car can be stopped is ?(mue(u)=0.5)
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Answer:1Km Or More
Explanation:
By Working Kinetic Energy Theorem:
Wfriction = Change in KE
-mgUd = (1/2) m[vf²-vi²]
-mg0.5d = (1/2)m[0²-100²]
-10d = -10000
d = 1000m
So minimum distance in which car can be stopped is 1000m
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