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Physics, 25.07.2020 22:01 JoshuaXYP9978

A 84 kg runner taking part in a 200 m dash must run around the end of a track that has a circular arc with a radius of curvature of 31 meters. if he completes the 200m dash in 27.61 s and runs at constant speed throughout the race, what is the magnitude of his centripetal force as he runs the curved portion of the track

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