JEE Main 2023 (Online) 1st February Evening Shift physics questions with solutions

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• NumericmediumKinematics Part-1 (one dimension)Motion under constant acceleration

  For a train engine moving with speed of 20 m/s the driver must apply brakes at a distance of 500 m before the station for the train to come to rest at the station. If the brakes were applied at half of this distance, the train engine would cross the station with speed $\sqrt{x}$ m/s The value of x is __________ .(Assuming same retardation is produced by brakes)

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