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JEE Main Physics question

PhysicsMotion in a Straight LineJEE Main

The engine of a train can impart a maximum acceleration of 1 ms and the brakes can give a maximum retardation of 3 ms. The least time during which a train can go from one place to another place at a distance of 1.2 km is nearly

Answer: (C)

Solution

With (accelerating) and (decelerating, since ): distance

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Question ID VK-152052