Physics, 07.12.2021 04:40 wmaingrette1

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 400 m . suppose a runner, moving at a constant speed, goes once around the track in 1 min 40 s.

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a typical running track is an oval with 74-m-diameter half circles at each end. a runner going once...