A glider of length 12.7 cm moves on an air track with constant acceleration. A time interval of 0.563 s elapses between the moment when its front end passes a fixed point circled A along the track and the moment when its back end passes this point. Next, a time interval of 1.11 s elapses between the moment when the back end of the glider passes point circled A and the moment when the front end of the glider passes a second point circled B farther down the track. After that, an additional 0.499 s elapses until the back end of the glider passes point circled B.
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