Problem: 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 35 m. Randomized Variables r = 35 m t = 22.9 s If he completes the 200 m dash in 22.9 s and runs at constant speed throughout the race, what is his centripetal acceleration as he runs the curved portion of the track in m/s2? ac = 

FREE Expert Solution

Centripetal acceleration:

ac=v2r

v = d/t = 200/22.9 = 8.73 m/s

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Problem Details

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 35 m. 

Randomized Variables r = 35 m t = 22.9 s 

If he completes the 200 m dash in 22.9 s and runs at constant speed throughout the race, what is his centripetal acceleration as he runs the curved portion of the track in m/s2

ac

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