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ID Code: C431 Purpose: Experimentally determine the acceleration of gravity. Description: One end of the air track is elevated at an angle a so that the glider will accelerate down the slope with some component of the acceleration of gravity. This component is determined experimentally by measuring the velocity v of the glider after it has accelerated a fixed distance S down the track. The angle a is determined from the amount the track is raised and the distance between the two support feet. The acceleration of gravity is then: g =v**2 /2 S sin a. Availability: Available 
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