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42. Engine of a car can produce a maximum acceleration 2 m/s^2 and its brakes can produce a maximum retardation 3 m/s^2. Minimum time in which the car travel a distance 6 km is ?
there is a formula for this type of questions - [(αβ)/2(α+β)] * t2 = s where α = Maximum acceleration t = time β = Maximum retardation s = distance 6000 = (6/2*5 )* t²t² = 10000t = 100 sec
there is a formula for this type of questions - [(αβ)/2(α+β)] * t2 = s
where α = Maximum acceleration t = time
β = Maximum retardation s = distance
6000 = (6/2*5 )* t²
t² = 10000
t = 100 sec
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