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On a horizontal flat ground, a person is...

On a horizontal flat ground, a person is standing at a point `A`. At this point, he installs a `5m` long pole vertically. Now , he moves `5m` towards east and then `2m` towards north and reaches at a point `B`. There he installs another `3m` long vertical pole . A bird flies from the top of the first pole to the top of the swecond pole. Find the displacement and magnitude of the displacement of the bird.

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