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Solve the given problem:
Problem: A typical running track is an oval with 74-m-diameter half circles at each end. A runner going once around the track covers a distance of 400m.Suppose a runner, moving at a constant speed goes once around the track in 1 min 40s.
Part I: What is her centripetal acceleration during the turn at each end of the track?
I need help to find her centripetal acceleration during the turn at each end of the track and express your answer to two significant figures and include the appropriate units.
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