A car starts from rest to cover a distance S. The coefficient of friction between the road and the tyre is μ.The minimum time in which the car can cover the distance S is proportional to
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answer is 4.
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Detailed Solution
Force on the car F=μmg ⇒a = μg Now, S=0 × t + 12 μgt2 ⇒ t=2sμg ⇒ t α 1/μ