A train travelling at 20km/hr is approaching a platform .A bird is sitting on a pole on the pole on the platform.When the train is at a distance of 2km from pole,brakes are applied which which produce a uniform deceleration in it.At instant the bird flies towards the train at 60km/hr and after touching the nearest pt on the train flies back to the pole and then flies towards the train and continues repeating itself.Calculate how much distance will the bird have flown before the train stops?e is approachi
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