Question: A runner taking part in the 200 m dash must run around the end of a track that has a circular arc with a radius

A runner taking part in the 200 m dash must run around the end of a track that has a circular arc with a radius of curvature of 50 m. If he completes the 200 m dash in 26.6 s and runs at constant speed throughout the race, what is the magnitude of his centripetal acceleration (in m/s*) as he runs the curved portion of the track? m/s2

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